Quantcast
Channel: Species New to Science
Viewing all 11131 articles
Browse latest View live
↧

[Herpetology • 2022] Darevskia salihae • Hidden Diversity in A Narrow Valley: Description of New Endemic Palearctic Rock Lizard Darevskia (Squamata: Lacertidae) Species from Northeastern Turkey

June 23, 2022, 3:12 am
$
0
0


Darevskia salihae  
Kurnaz, Şahin & Eroğlu, 2022


Darevskia is a particularly species-rich radiation of Palearctic rock lizards from the Caucasus region. Thanks to intense systematic and taxonomic research, the knowledge of species – level diversity within this genus has increased over the last quarter century. Here, we described a new species, Darevskia salihae sp. nov. from northeastern Turkey. The new taxon is differentiated from other nearby taxon by the low number of dorsal scales in the middle of the body, the shorter body length, and the absence of blue dots both on the lateral region above the forelimbs and on the margin of the ventral plates. In addition to their morphological differences, the new taxon is phylogenetically different from close groups. It is located in a separate subclade from the rudis-valentini-portschinskii subclade. This distinction is supported by both a high bootstrap value (100) and a high posterior probability value (1.00). These two subclades are separated from each other by a genetic distance of almost 4%. This separation is supported not only genetically and morphologically, but also geographically. Since the habitat of the new taxon is limited to a high mountain and a narrow valley, it does not provide an opportunity for a different Darevskia species to shelter because it creates geographical isolation. However, Darevskia parvula that live closest to the habitat of the new taxon live only at the habitat boundaries and do not enter areas where the new taxon is found. Therefore, it might be possible that while it was separated from the rudis-valentini-portschinskii group during the evolutionary transformation, it remained as a refuge and relict in a narrow area as a result of the collapse of the valleys and the partial uplift of the Kaçkar Mountains.

Key words:Darevskia salihae sp. nov., Caucasian rock lizards, New species, Phylogeny, Morphology, Isolation, Relict endemic, Anatolia.

General view of subadult female paratype ofDarevskia salihae sp. nov. (GUK 1/2021-4).

General view of adult female of Darevskia salihae sp. nov. 
(holotype GUK 1/2021-1 and paratype GUK 1/2021-2).

Family: Lacertidae Oppel, 1811 

Genus: Darevskia Arribas, 1999 

Darevskia salihae sp. nov. Kurnaz, Şahin and Eroğlu, 2022

Diagnosis: Darevskia salihae sp. nov. is small sized (SVL: 51.79–58.98 mm) (Fig. 4a, b). Rostral and internasal is rarely in contact. Suboculars on both sides reach the mouth, four supralabials in anterior of suboculars. The first supratemporal plates are bigger than the others on each side of the head. All individuals have 4 supraocular plates on each side of the head. The supranasal plate is separated from anterior loreal plates above nostrils in all specimens. The postnasal plate is single on each side in all specimens. Massetericum is large and present in each side of temporal region. The row of supraciliar granules for all individuals is complete. 23–25 gularia between the third inframaxillary and collars. Generally, 6 longitudinal rows of ventral plates, and 24–30 ventral series in a longitudinal row along the belly between collar and preanal; 39–43 (mean 41) smooth dorsal midbody scales. 17–19 femoral pores exist on the right side. 22–25 lamellae exist beneath the 4th toe. The dorsal body scales in the midbody are tiny and flat. Subdigital lamellae in the 4th toe is smooth. The anal plate is singular in all specimens. Tibial scales are not carinated.

Etymology: The name of the new taxon was given in honor of Saliha Şahin, who is the mother of one of the authors, Mehmet Kürşat Şahin, who passed away recently.


 
Muammer Kurnaz, Mehmet Kürşat Şahin and Ali İhsan Eroğlu. 2022. Hidden Diversity in A Narrow Valley: Description of New Endemic Palearctic Rock Lizard Darevskia (Squamata: Lacertidae) Species from Northeastern Turkey. Zoological Studies. 61; 44. zoolstud.sinica.edu.tw/Journals/61/61-44.html

↧
Search

[Herpetology • 2022] Cyrtodactylus phukhaensis • A New Cyrtodactylus Species (Reptila: Gekkonidae) from Nan Province, Northern Thailand

June 23, 2022, 3:28 am
$
0
0


Cyrtodactylus phukhaensis Chomdej, Pradit, Pawangkhanant, Naiduangchan & Suwannapoom, 

in Chomdej, Pradit, Pawangkhanant, ... et Suwannapoom. 2022.
ตุ๊กกายภูคา  ||  facebook.com: นก หนู งูเห่า
 
Abstract
Here, a new species of bent-toed gecko, Cyrtodactylus phukhaensis sp. nov., is described from Doi Phu Kha, Nan province, Thailand based on molecular and morphological evidence. A phylogeny based on NADH dehydrogenase subunit 2 (ND2) and its flanking tRNAs places the new species in the chauquangensis group as a sister taxon to Cyrtodactylus wayakonei. The new species can be differentiated from other members of the chauquangensis group by having a unique combination of 7 or 8 supralabials, 23–28 longitudinal rows of dorsal tubercles, 8–10 infralabials, 9 femoral pores, 7 precloacal pores, 40–47 ventral scales, and a lack of bands crossing the temporal area. In addition, results from a chromosome study of C. phukhaensis sp. nov. showed that the new species has a diploid chromosome number of 40 with a fundamental number of 46. The formula of the karyotype was as follows: 2n (40) = 2m + 4sm + 34t. Our findings suggest that further studies of Cyrtodactylus biodiversity in northern Thailand are needed.

Keywords: bent-toed gecko;  Cyrtodactylus wayakonei;  Cyrtodactylus chauquangensis;  karyotype;  phylogeny;  taxonomy


Distributions of the Cyrtodactylus chauquangensis group.
Red star indicates the type locality of Cyrtodactylus phukhaensis sp. nov. in Nan Province, Thailand.
Red dots represent the distributions of other Cyrtodactylus spp. including (1) C.zhenkangensis, (2) C. erythrops, (3) C. dumnuii, (4) C. doisuthep, (5) C. auribalteatus, (6) C. kunyai, (7) C. wayakonei, (8) C. vilaphongi, (9) C. spelaeus, (10) C. martini, (11) C. hekouensis, (12) C. sonlaensis, (13) C. otai, (14) C. puhuensis, (15) C. bobrovi, (16) C. huongsonensis, (17) C.cucphuongensis, (18) C. soni, and (19) C. chauquangensis.

Dorsal view of live  Cyrtodactylus phukhaensis sp. nov.  from Doi Phu Kha, Pua and Bo Kluea District, Nan Province, northern Thailand.
Habitat of  Cyrtodactylus phukhaensis sp. nov. at the Doi Phu Kha, Nan Province, Thailand, i.e., the type locality.

The specimen observed on a large boulder near the stream in the habitat.

Cyrtodactylus phukhaensis sp. nov. 
Chomdej, Pradit, Pawangkhanant, Naiduangchan, and Suwannapoom
 Phukha Bent-toed Gecko

Diagnosis Cyrtodactylus phukhaensis sp. nov. differs from all other species in the C. chauguangensis group by having a combination of 8 or 9 supralabials; 8–10 infralabials; 36–44 paravertebral tubercles; 23–28 longitudinal rows of dorsal tubercles; 40 –47 ventral scales; 7 expanded subdigital lamellae on the fourth toe, 11 or 12 unmodified subdigital lamellae on the fourth toe, and 18 or 19 total subdigital lamellae on the fourth toe; 27–34 enlarged femoral scales; 10 –12 pore-bearing femoral scales in males; 8–11 enlarged precloacal scales; 7 pore-bearing precloacal scales in males; 3 rows of enlarged postprecloacal scales; 4–7 broken to hour glass-shaped dorsal body bands; 4–8 light-colored caudal bands (n = 2); 3–8 dark colored caudal bands (n = 2); raised and strongly keeled dorsal tubercles that extend beyond the base of the tail; enlarged femoral and precloacal scales that are nearly the same size and continuous; pore-bearing femoral and precloacal scales that are not continuous; medial subcaudals 2–3 times wider than long and extending onto the lateral side of the tail; green irises; a nuchal loop lacking an anterior azygous notch and bearing a jagged posterior border; dorsal bands bearing paravertebral elements that are generally equal in width to the interspaces, bear lightened centers, and are edged with white tubercles; dark markings in the dorsal interspaces; light caudal bands in adults bearing dark-colored markings; light-colored caudal bands that do not encircle the tail, and a mature regenerated tail that is not spotted (Table 3).

Etymology The specific epithet, phukhaensis, is derived from the place name of Doi Phu Kha where the type series was collected.

 

Siriwadee Chomdej, Waranee Pradit, Parinya Pawangkhanant, Chakkrapong Kuensaen, Apichaya Phupanbai, Mali Naiduangchan, Promporn Piboon, Korakot Nganvongpanit, Zhiyong Yuan, Yinpeng Zhang, Jing Che, Phuping Sucharitakul and Chatmongkon Suwannapoom. 2022.
A New Cyrtodactylus Species (Reptila: Gekkonidae) from Nan Province, Northern Thailand [96-108]
 Asian Herpetological Research. 13(2); 96–108. DOI: 10.16373/j.cnki.ahr.210055 AHR-journal.com/en/oa/darticle.aspx?type=view&id=20220202

↧
↧

[Botany • 2022] Nepenthes pudica (Nepenthaceae) First Record of Functional Underground Traps in A Pitcher Plant: A New Species from North Kalimantan, Borneo

June 23, 2022, 9:48 am
$
0
0


Nepenthes pudica Dančák & Majeský, 

 in Dančák, Majeský, Čermák, ... et Tjiasmanto, 2022.
Photographs by M. Dančák.

Abstract
Nepenthes pudica, a new species from North Kalimantan, Indonesia, is described and illustrated. The species belongs to the N. hirsuta group (sensu Cheek and Jebb 1999) but exhibits some characters that are unique within the group or even within the genus. Above all, it produces underground, achlorophyllous shoots with well-developed, ventricose lower pitchers that form in soil cavities or directly in the soil. No lower pitchers are formed above ground. The main part of its prey are ants, besides other litter- and soil-inhabiting species of invertebrates. A number of infaunal species were found in both aerial and underground pitchers, mainly Diptera and nematodes. Nepenthes pudica is known only from a few neighbouring localities in the Mentarang Hulu district of North Kalimantan, where it grows on ridgetops at an elevation of 1100–1300 m. Its discovery underlines the natural richness of Borneo’s rainforest and the necessity to preserve this important ecosystem with its enormous and still undiscovered biodiversity.

Keywords: Borneo, carnivorous plant, Caryophyllales, Mentarang Hulu, prey composition, taxonomy, underground trap

Nepenthes pudica Dančák & Majeský, 
 A juvenile rosette pitcher B upper pitchers (4 on the right; each from a different plant), intermediate pitcher (1 on the left) C habitat with mature plant D habitat with lower pitchers excavated from the soil.
Photographs by M. Dančák.

Nepenthes pudica Dančák & Majeský, 
 A detail of lower pitchers excavated from the soil B lower pitchers in a cavity under tree roots–note greening of phyllodia formed in presence of low light C lower pitchers revealed under a moss mat D lower pitchers extracted from a cavity–note achlorophyllous shoot and reduced phyllodia formed in total darkness.
 Photographs by M. Dančák.

Nepenthes pudica Dančák & Majeský, 
A habit B lower pitcher C infructescence D male inflorescence E detail of climbing stem with a leaf.
Drawn by Kateřina Janošíková.

Nepenthes pudica Dančák & Majeský, 
A male flowers B male plant with inflorescence C infructescence D female plant with infructescence.
Photographs by M. Dančák.


 Nepenthes pudica Dančák & Majeský, sp. nov.
 
Diagnosis: Nepenthes pudica differs from N. hispida Beck in producing short basal underground (vs. aboveground) shoots; ± glabrous (vs. hairy) stems; petiolate (vs. sessile) climbing shoot leaves with auriculate, shortly decurrent (vs. decurrent-amplexicaul) bases; rare (vs. common) upper pitchers; red (vs. green or red blotched) lower pitchers; ± glabrous (vs. hairy) mature pitchers; ventricose (vs. ovoid-ellipsoid) lower pitchers; infundibular (vs. subcylindrical, tapering) upper half of the lower pitcher; 3–5.5 cm (vs. 1.5–3 cm) wide lower pitchers; male flowers in pairs (vs. single or rarely in pairs) and androphore c. 4 mm (vs. 1.5–2 mm) long.

  Distribution: The species is known only from a few adjoining localities in the western part of the Mentarang Hulu district of North Kalimantan, Indonesia. The exact locations have been withheld in order to prevent poaching by unscrupulous commercial collectors.

Etymology: The specific epithet pudica (bashful, shy), is a feminine adjective and alludes to the fact that lower pitchers remain concealed from direct view.


Martin Dančák, Ľuboš Majeský, Václav Čermák, Michal R. Golos, Bartosz J. Płachno and Wewin Tjiasmanto. 2022. First Record of Functional Underground Traps in A Pitcher Plant: Nepenthes pudica (Nepenthaceae), A New Species from North Kalimantan, Borneo. PhytoKeys. 201: 77-97. DOI: 10.3897/phytokeys.201.82872


↧

Glyphiulus

June 24, 2022, 2:34 am
$
0
0


A Glyphiulus sinuatoprocessus Zhao & Liu, sp. nov. from Cave Niubi Yan
B G. scutatus Zhao & Liu, sp. nov. from Cave Bianfu Dong
C G. portaliformis Zhao & Liu, sp. nov. from Cave Baiyan Dong
D G. xiniudong Zhao & Liu, sp. nov. from Cave Xiniu Dong 

in Zhao, Guo, Golovatch & Liu, 2022. 

Abstract
The javanicus-group of Glyphiulus is re-assessed and its Chinese component species are presently divided between the following two newly-circumscribed species groups, i.e. the formosus- and the sinensis-group. The two can be differentiated, based on the diagnostic characters of the first pair of legs in the male. In addition, metatergal crests being complete and the carinotaxy formula on the collum being I–III+P+M are only characteristic of the formosus-group. A molecular phylogeny of the genus, based on DNA sequencing of four gene fragments of four genes, allows for Glyphiulus to be recovered as a monophyletic group, the phylogenetic relationship being ((Clade A, Clade B), Clade C). Molecular evidence is fully congruent with the morphological one. In addition, based on barcoding data, interspecific p-distances between Glyphiulus species amount to 11.2–24.9%, vs. 0–8.2% for intraspecific p-distances. Five new species of Glyphiulus, all cavernicolous, are described from China: G. sinuatoprocessus Zhao & Liu, sp. nov., G. conuliformis Zhao & Liu, sp. nov. (both from Guangdong Province), G. xiniudong Zhao & Liu, sp. nov., G. scutatus Zhao & Liu, sp. nov. and G. portaliformis Zhao & Liu, sp. nov. (all three from Guangxi Zhuang Autonomous Region). The known Chinese species of the formosus-group appear to mainly be confined to the South China region.

Keywords: Cave, DNA barcoding, new record, new species, phylogeny, taxonomy

Pictures of live animals
 A Glyphiulus sinuatoprocessus Zhao & Liu, sp. nov. from Cave Niubi Yan B G. scutatus Zhao & Liu, sp. nov. from Cave Bianfu Dong C G. portaliformis Zhao & Liu, sp. nov. from Cave Baiyan Dong D G. xiniudong Zhao & Liu, sp. nov. from Cave Xiniu Dong E G. conuliformis Zhao & Liu, sp. nov. from Cave Yanzi Dong.



Yi Zhao, Wan-Ru Guo, Sergei I. Golovatch and Wei-Xin Liu. 2022. Revision of the javanicus Species Group of the Millipede Genus Glyphiulus Gervais, 1847, with Descriptions of Five New Species from China (Diplopoda, Spirostreptida, Cambalopsidae). ZooKeys. 1108: 89-118.  DOI: 10.3897/zookeys.1108.85156

↧

[Mollusca • 2022] Limax pseudocinereoniger • A New Giant Keelback Slug of the Genus Limax (Gastropoda: Stylommatophora) from the Balkans, described by Citizen Scientists

June 25, 2022, 1:19 am
$
0
0


 Limax pseudocinereoniger from Durmitor National Park, Montenegro. 

Schilthuizen, Thompson, de Vries, van Peursen, Reisinger, Paterno, Maestri, Marcolungo, Esposti, Delledonne & Njunjić, 2022

Photos by P. Escoubas.

Abstract
Background: Despite their large size, striking colouration and genital extravagance, the taxonomy of the European giant keelback slugs of the genus Limax is still poorly understood. Preliminary morphological and molecular data suggest that many unnamed or unrecognised species exist, especially in the Alps, the Mediterranean and the Balkans.

New information: We organised a citizen science expedition to Durmitor National Park in Montenegro and discovered a new species, genetically distinct, but morphologically similar to the sympatric L. cinereoniger Wolf 1803 and describe it as Limax pseudocinereoniger.

Keywords: malacology, Limacidae, slugs, taxonomy, The Balkans, genitalia

Dorsal (top), lateral (centre) and ventral (bottom) views of a living (and subsequently preserved) paratype specimen of Limax pseudocinereoniger from Durmitor National Park, Montenegro (TxEx-DU0122).
 Photos by P. Escoubas.

Limax pseudocinereoniger Schilthuizen, Thompson, de Vries, van Peursen, Reisinger, Paterno, Maestri, Marcolungo, Esposti, Delledonne & Njunjić, 2022, sp. n.

 
Suborder Stylommatophora A. Schmidt, 1855
Superfamily Limacoidea Lamarck, 1801

Family Limacidae Lamarck, 1801

Genus Limax Linnaeus, 1758

Type species: Limax maximus Linnaeus, 1758

synonyms: Limax “pseudocinereoniger” Nitz (2013)

 
Etymology: The specific epithet pseudocinereoniger refers to its similarity with L. cinereoniger. This name was first applied as a "working name" by Nitz (2013) and is here adopted as the formal name. It is used as a masculine adjective.

The taxonomic authority for this species is attributed to all authors of this publication. In line with ICZN Recommendation 51C (Zoological Nomenclature 1999), the species may be referred to as Limax pseudocinereoniger Schilthuizen et al., 2022, provided the full citation of this publication appears in the bibliography or elsewhere in the referring work.


 Menno Schilthuizen, Cameron Graham Thompson, Rick de Vries, Anthonie D. P. van Peursen, Marta Paterno, Simone Maestri, Luca Marcolongo, Chiara Degli Esposti, Massimo Delledonne and Iva Njunjić. 2022. A New Giant Keelback Slug of the Genus Limax from the Balkans, described by Citizen Scientists. Biodiversity Data Journal. 10: e69685. DOI: 10.3897/BDJ.10.e69685

↧
↧

[Botany • 2020] Kaempferia minuta & K. pardi • Two New Species of Kaempferia (Zingiberaceae) from Thailand

June 26, 2022, 12:54 am
$
0
0


(A–C)  เปราะน้อย Kaempferia minuta Jenjitt. & K. Larsen; 
 (D–G) เปราะเสือแต้ม Kaempferia pardi K. Larsen & Jenjitt. 

in Jenjittikul & Larsen, 2020. 
 Nat. Hist. Bull. Siam Soc. 64(1) thesiamsociety.org 
 Photographs by Nattapon Nopporncharoenkul.
 
ABSTRACT
 Two new species of Kaempferia section Kaempferia, K. minuta Jenjitt. & K. Larsen and K. pardi K. Larsen & Jenjitt. are described and illustrated. 

Keywords: Kaempferia minuta, Kaempferia pardi, new taxa, taxonomy

(A–C) Kaempferia minuta Jenjitt. & K. Larsen: A, Habit; B, Plant in side view; C, Flower.
 (D–G) Kaempferia pardi K. Larsen & Jenjitt.: D–F, Habit; G, Flower.
Photographs by Nattapon Nopporncharoenkul.


  Kaempferia minuta, a new species from Ubon Ratchathani Province, Thailand
(photograph by Nattapon Nopporncharoenkul)

Kaempferia minuta Jenjitt. & K. Larsen, sp. nov.

Diagnosis.—Similar to Kaempferia attapeuensis Picheans. & Koonterm in its flower, but distinct in its orbicular to suborbicular laminae (vs. oblong-elliptic to ovate laminae in K. attapeuensis). 

Distribution.—Thailand (Eastern: Ubon Ratchathani Province) and Laos

Etymology.—The specific epithet “minuta” refers to the tiny size.
Vernacular name.—Proh noi (เปราะน้อย), Proh laolek (เปราะลาวเล็ก) 

(A–C) Kaempferia minuta Jenjitt. & K. Larsen: A, Habit; B, Plant in side view; C, Flower.
(D–G) Kaempferia pardi K. Larsen & Jenjitt.: D–F, Habit; G, Flower.
Photographs by Nattapon Nopporncharoenkul.


Kaempferia pardi K. Larsen & Jenjitt., sp. nov. 

Diagnosis.—Similar to Kaempferia koratensis Picheans. in leaf shape, but differs in having larger laminae with numerous dark spots on upper surfaces (vs. dark green, sometimes with white variegated pattern in K. koratensis), a larger flower, white with two dull purple blotches at the sinus (vs. white with a pale yellow patch at the base of labellum in K. koratensis) and strikingly larger anther thecae. 

Distribution.—Endemic to Thailand. This species is currently only known in Phetchabun, Lopburi, Phitsanulok and Nakhon Sawan provinces.

Etymology.—The specific epithet “pardi” refers to leopard-like spotted pattern on its upper surface of leaves.
Vernacular name.—Proh sua tam (เปราะเสือแต้ม) 


Thaya Jenjittikul and Kai Larsen. 2020. Two New Species of Kaempferia (Zingiberaceae) from Thailand. Nat. Hist. Bull. Siam Soc. 64(1): 17–23.


↧

[Arachnida • 2022] Raveniola yangren • A New Troglobiontic Spider (Araneae, Nemesiidae) from Hunan, China

June 27, 2022, 2:27 am
$
0
0


Raveniola yangren Lin & Li, 

in Lin, Yan & Li, 2022. 

Abstract
Background: 
Troglomorphism is rare known in Mygalomorphae. Only three troglomorphic mygalomorphs have been recorded in China: Raveniola beelzebub Lin & Li, 2020, R. lamia Yu & Zhang, 2021 and Sinopesa gollum Lin & Li, 2021.

New information: 
A new troglobiontic species of the genus Raveniola is described from China: R. yangren sp. n. (female) from Hunan. Photos and morphological description of the new species are given. This new species has elongated appendages and degenerated eyes in order to adapt to the cave environment. It can be distinguished by the stubby, unbranched spermathecae from other Raveniola.

Keywords: Asia, diagnosis, taxonomy, type

Raveniola yangren sp. n., holotype female.
A habitus, dorsal, B same, ventral, C labium and sternum, D spinnerets, E ocular area, F leg I. Arrow shows scopula on tibia.

Raveniola yangren sp. n., live.
 A paratype, B holotype, in situ.


Raveniola yangren Lin & Li, 2022, sp. n.

Diagnosis: The females of Raveniola yangren sp. n. resemble R. beelzebub Lin & Li, 2020 and R. lamia Yu & Zhang, 2021 by total reduction of eyes and the pale colouration (Fig. 2A, B and E). However, the new species can be distinguished by the spermathecae unbranched (vs. branched in R. beelzebub, other Raveniola spp. from China, see Fig. 3C) and the ratio of the length of spermathecae to the width is almost 2:1 (Fig. 3A and B) (vs. 8:1 in R. lamia, see Fig. 3C-6).

Etymology: The species is named after Yangren, a blind god who had hands with eyes in the palm in place of his normal eyes in Chinese traditional culture; noun in apposition.

Distribution: Known only from the type locality (China, Hunan).

Biology: Habitat under stones in the cave.


 Ye-Jie Lin, Xunyou Yan and Shuqiang Li. 2022. Raveniola yangren sp. n., A New Troglobiontic Spider from Hunan, China (Araneae, Nemesiidae). Biodiversity Data Journal. 10: e85946. DOI: 10.3897/BDJ.10.e85946


↧

[Phycology • 2020] Schizymenia jonssonii (Rhodophyta: Nemastomatales) • A Relict or An Introduction into the North Atlantic after the last Glacial Maximum?

June 27, 2022, 6:06 am
$
0
0


 Schizymenia jonssonii K.Gunnarsson & J.Brodie

in Gunnarsson, Russell & Brodie, 2020. 

Abstract
North-Atlantic records of Schizymenia dubyi extend along the eastern shores of the North Atlantic from Morocco to southern Britain and Ireland, and the species is also recorded from Iceland. A study was undertaken to confirm the identity of the specimens from Iceland that were geographically separate from the main distribution of S. dubyi and in contrast to other species of the genus did not have gland cells. We analyzed rbcL and COI molecular sequence data from Icelandic specimens and compared the results with those for Schizymenia specimens available in GenBank. For both markers, Schizymenia was shown to be a monophyletic genus. The Icelandic specimens were clearly genetically distinct from S. dubyi and formed a well-supported clade with Schizymenia species from the Northern Pacific. Based on these results, we have described a new species, Schizymenia jonssonii, which can be distinguished by molecular phylogeny, its lack of gland cells and by being strictly intertidal. Crustose tetrasporophytes with identical COI and rbcL sequences were found at the same locations as foliose plants. Schizymenia apoda is reported for the first time in the UK, its identity confirmed by rbcL sequence data. In light of these findings, it is likely that by further molecular analysis of the genus Schizymenia in the north-eastern Atlantic and the Mediterranean, a higher diversity of Schizymenia spp. will be discovered in this region.

Keywords: COI, Iceland, molecular phylogeny, phenology, North Atlantic, rbcL, Schizymenia jonssonii

Holotype specimen of Schizymenia jonssonii sp. nov. (BM013844101), collected at Stekkjarvikur, SW Iceland on April 21, 2016.
 Scale = 2 cm.


Life history phases of Schizymenia jonssonii sp. nov. growing in the lower intertidal in Stekkjarvikur, SW-Iceland.
 (a) Blades – gametophyte phase, July 4, 2016. (b) Crusts – tetrasporophyte phase, March 1, 2018.
Scale = 2 cm. 

Schizymenia jonssonii sp. nov. 
(a) Transverse section (T.S.) of blade. (b) Cystocarps between the inner cortex and medulla in T.S. of the blade. Ostioles opening to the surface. (c) Zonate tetrasporangia just below the surface of a sporophyte crust. (d) Tetraspores being released. (e) T.S. of a tetrasporophyte with openings between layers. (f) Rhizoids on the underside of the tetrasporophyte.
 Scale (a–d and f) = 50 μm and (e) = 1 mm.
 
Schizymenia jonssonii K.Gunnarsson & J.Brodie sp. nov.  
 
Diagnosis: Gametophytic phase foliose with surface either flattened or with irregular ridges and depressions. Thallus lacking gland cells. Color dark red to brownish red. Tetrasporophytic phase crustose, with uneven surface having numerous small swellings. Can equally be distinguished by its nucleotide sequences of the mitochondrial COI and plastid rbcL genes.

Etymology: The species is named in honor of the Icelandic phycologist Sigurður Jónsson, for his contribution to the knowledge of Icelandic macroalgae and phycology in general.



Karl Gunnarsson, Stephen Russell and Juliet Brodie. 2020. Schizymenia jonssonii sp. nov. (Nemastomatales, Rhodophyta): A Relict or An Introduction into the North Atlantic after the last Glacial Maximum? Journal of Phycology. 56(2); 324-333. DOI: 10.1111/jpy.12957
 twitter.com/animalculum/status/1541047941296693248
 


↧
Search

[Herpetology • 2022] Pristimantis symptosus • Rediscovery, Redescription and Identity of Pristimantis nebulosus (Henle, 1992), and Description of A New Terrestrial-breeding Frog (Anura: Strabomantidae) from Montane Rainforests of central Peru

June 27, 2022, 6:27 am
$
0
0


Pristimantis symptosus
Köhler, Castillo-Urbina, Aguilar-Puntriano, Vences & Glaw, 2022


Abstract
The taxonomic status of the strabomantid frog species Pristimantis nebulosus (Henle, 1992), originating from the southern Cordillera Azul in central Peru, is investigated based on examination of the holotype and its comparison with freshly collected topotypic material. Following current standards, we provide a redescription of the holotype. It is in a rather poor state and exhibits certain damages and preservation artifacts, conditions that have hampered an allocation of this nominal taxon to any known living population of Pristimantis in the past. Our detailed specimen-to-specimen comparison provided morphological evidence for the conspecifity of the holotype and freshly collected topotypes. Molecular phylogenetic analysis, based on the mitochondrial 16S gene fragment places P. nebulosus in the P.conspicillatus species group, being closely related to P. bipunctatus and an undescribed candidate species from the Cordillera de Carpish. From both, P. nebulosus differs by considerable divergence in the 16S gene (p-distance 4.1–6.2%). Based on the specimens available, we provide an updated diagnosis for P. nebulosus, compare it to other species in the P. conspicillatus group and describe its advertisement call. In addition, we describe and name the closely related candidate species from the Cordillera de Carpish. It is sister to P. bipunctatus and P. nebulosus, but differs from both mainly by its tuberculate dorsal skin (versus shagreen) and divergence in the 16S gene (3.3–4.1%). We briefly discuss cryptic species diversity in the P. conspicillatus and P. danae species groups and provide justification for the description of a singleton species.

Key Words: Amphibia, bioacoustics, Cordillera Azul, Cordillera de Carpish, molecular genetics, morphology, Pristimantis conspicillatus species group, systematics, taxonomy


Topotypic Pristimantis nebulosus in life:
Adult male (MUSM 40299) in a. dorsolateral, b. ventral, c. dorsal, and d. frontolateral views;
 adult male (MUSM 40298) in e. dorsolateral, f. ventral, and g. frontal views;
h. Juvenile (MUSM 40326) in dorsolateral view (inset photo showing ventral view of same individual).
Not to scale.

 Pristimantis nebulosus (Henle, 1992)

Distribution: So far, P. nebulosus is only known from its type locality in the southern Cordillera Azul, at the border of the Departamentos Huánuco and Ucayali. However, it is very likely that the species occupies a wider range, at least along the same elevational corridor within the Cordillera Azul. Possibly, there are additional records of this species represented by unidentified or misidentified specimens in scientific collections.


Male holotype of Pristimantis symptosus sp. nov. (MUSM 40256, FGZC 6207) from the Cordillera de Carpish, 2360 m a.s.l., in life:
 a. Dorsolateral view of left body side; b. Dorsolateral view of right body side; c. Ventral view. Note tuberculate skin on dorsum, flanks and forearm.

View of the forest along the road 18A close to the type locality of Pristimantis symptosus sp. nov. in the Cordillera de Carpish, Departamento Huánuco, Peru, at approximately 2450 m a.s.l.
Photo taken on 4 November 2019.

 Pristimantis symptosus sp. nov. 
 
Diagnosis: A medium-sized species of the Pristimantis conspicillatus species group (based on molecular relationships and morphological similarity), with 27.6 mm SVL in adult male, characterised by: (1) skin on dorsum tuberculate, with a pair of enlarged scapular warts; flanks tuberculate; throat smooth, venter weakly areolate; discoidal fold conspicuous; dorsolateral folds distinct, but low; dorsal folds absent; three prominent postrictal conical tubercles present; upper eyelid lacking tubercles and granules; posterior surfaces of thighs smooth; (2) tympanic membrane and annulus distinct, slightly higher than long, their length less than half of eye diameter; supratympanic fold long, prominent, almost straight, not covering upper tympanum or annulus; (3) head longer than wide; snout subacuminate in dorsal view, bluntly rounded in lateral profile; canthus rostralis straight in dorsal view, sharp in profile; (4) cranial crests absent; (5) dentigerous process of vomers prominent, elongate, oblique, situated posteromedial to choanae; (6) males with vocal slits, single subgular vocal sac, and nuptial asperities on dorsal surface of thenar tubercle; (7) hands with long and slender fingers, first finger equal in length to second; subarticular tubercles subconical, prominent; supernumerary tubercles absent; palmar tubercle bifid, flat; thenar tubercle prominent, elongated; terminal discs of inner two fingers enlarged and round, those of external fingers enlarged, ovate, about twice the width of digit proximal to disc; circumferential grooves conspicuous, ungual flap very slightly indented; lateral fringes on fingers absent; basal webbing between fingers absent; (8) ulnar tubercles absent; (9) tubercles on heel and tarsus absent, tarsal fold absent; (10) inner metatarsal tubercle ovate, prominent; outer metatarsal tubercle round, flat; supernumerary tubercles absent; (11) toes long and slender (FootL 54% SVL); narrow lateral fringes weakly expressed, trace of basal toe webbing present; toe V reaching distal level of penultimate subarticular tubercle of toe IV; toe V slightly longer than toe III; tips of toes rounded to slightly ovate, enlarged; circumferential grooves conspicuous; (12) in life, dorsal colouration brown to tan with dark brown chevrons and flecks on dorsum; dark brown bars on dorsal surfaces of arms and legs; dark brown interorbital bar; a pair of black spots, surrounding prominent conical scapular warts: broad black supratympanic stripe; black canthal stripe; belly cream; throat densely mottled with dark brown; ventral surfaces of thighs and shanks orange tan; posterior surface of thighs orange-brown with irregular cream spotting; plantar and palmar surfaces yellowish-brown, densely covered with dark brown mottling; iris copper, with black reticulation; posterior iris periphery pale blue; bones white; (13) advertisement call consisting of a single pulsed note of 132–186 ms duration, emitted at regular succession (see below).


Natural history: The forest at the type locality constitutes upper montane rainforest at the transition zone to cloud forest, growing on steep slopes (Fig. 10), with trees not exceeding 20 m height (Jiménez and Pacheco 2016). Males were calling from a low position in shrub vegetation along the road during a foggy night and light rain. The holotype was sitting on a leaf approximately 25 cm above the ground. Pristimantis sp. (lacrimosus group) and P. sp. (aff. rhabdocnemus) were found at nearby sites. Nothing else is known.
 
Distribution: Pristimantis symptosus is only known from its type locality and possibly endemic to the Cordillera de Carpish.

Etymology: The specific epithet is a Latinised adjective derived from the Greek σύμπτωση (symptosi) meaning ‘coincidence’. It refers to the fact that we only discovered the new species by coincidence on an unplanned return to the Cordillera de Carpish after forgetting part of our expedition gear there.
 

Jörn Köhler, Ernesto Castillo-Urbina, César Aguilar-Puntriano, Miguel Vences and Frank Glaw. 2022. Rediscovery, Redescription and Identity of Pristimantis nebulosus (Henle, 1992), and Description of A New Terrestrial-breeding Frog from Montane Rainforests of central Peru (Anura, Strabomantidae). Zoosystematics and Evolution. 98(2): 213-232. DOI: 10.3897/zse.98.84963
 
↧
↧

[Herpetology • 2022] Calamaria arcana • A New Species of Calamaria (Serpentes: Colubridae: Calamariinae) from Guangdong Province, southern China

June 27, 2022, 7:03 am
$
0
0


Calamaria arcana 
Yeung, Lau & Yang, 2022

Lingnan Reed Snake | 岭南两头蛇  ||  DOI: 10.3897/vz.72.e84516
Photographs by Michael W.N. Lau. 

Abstract
A new species of the genus Calamaria Boie, 1827, Calamaria arcana sp. nov., is described based on a single male specimen collected from Mt. Dadongshan, Guangdong, southern China. The new species can be distinguished from all known congeners by the significant genetic divergence in the mitochondrial cytochrome-b gene fragment (p-distance ≥ 13.9%), and morphologically by the combination of the following characters: (1) ten modified maxillary teeth; (2) four supralabials, second and third supralabials entering orbit; (3) preocular present; (4) mental not touching anterior chin shields; (5) six scales and shields surrounding the paraparietal; (6) 170 ventral scales; (7) 22 paired subcaudals; (8) tail not gradually tapering, abruptly tapering at the tip; (9) dorsal scales reduced to five rows above last subcaudal at tail; (10) dorsum of body and tail brownish; (11) dark collar on nuchal region absent; (12) two outermost dorsal scale rows light yellow with upper margins partly dark pigmented; (13) ventral scales immaculate, without dark outermost corners and pigmentation anteriorly; and (14) absence of distinct dark longitudinal line or scattered spots on the underside of tail. Calamaria arcana sp. nov., represents the fifth species of the genus recorded in China. Following the IUCN Red List Categories and Criteria, we propose the new species to be listed as Data Deficient.

Keywords: Calamaria arcana sp. nov., Calamariinae, integrative taxonomy, morphology, phylogeny, snake, Southeast Asia

  Head of the holotype of Calamaria arcana sp. nov. (KFBG 14611):
 A right side B left side C dorsal view D ventral view.

Holotype of Calamaria arcana sp. nov. (KFBG 14611) in life:
 A dorsolateral view B ventral view C lateral view of left side of head.
Photographs by Michael W.N. Lau. 


Calamaria arcana sp. nov.
 
Calamaria pavimentata – Kadoorie Farm and Botanic Garden (2003); 
Li et al. (2011).

Suggested common names: Lingnan Reed Snake (English), 
岭南两头蛇 (Chinese)

Diagnosis: Calamaria arcana sp. nov. is assigned to the genus Calamaria by its molecular phylogenetic position and the following morphological characters: dorsal scales in 13 rows throughout body, possessing elongate, cylindrical bodies, along with internasals and prefrontals fused, four supralabials and five infralabials (Inger and Marx 1965; Ziegler et al. 2008).

Calamaria arcana sp. nov. could be distinguished from all other species of Calamaria by the combination of the following characters: (1) ten modified maxillary teeth; (2) four supralabials, second and third supralabials entering orbit; (3) preocular present; (4) mental not touching anterior chin shields; (5) six scales and shields surrounding the paraparietal; (6) 170 ventral scales; (7) 22 paired subcaudals; (8) tail not gradually tapering, abruptly tapering at the tip; (9) dorsal scales reduced to five rows above last subcaudal at tail; (10) dorsum of body and tail brownish; (11) dark collar on nuchal region absent; (12) two outermost dorsal scale rows light yellow with upper margins partly dark pigmented; (13) ventral scales immaculate, without dark outermost corners and pigmentation anteriorly; and (14) absence of distinct dark longitudinal line or scattered spots on the underside of tail.


Etymology: The species epithet “arcana” is the nominative form the Latin adjective “arcanus” meaning “hidden”, “secret” and is given in feminine form to match the female genitive declension of the genus name Calamaria. It refers to the fact that this species is difficult to find with only a single specimen discovered during our long term survey in southern China. For common name we suggested as “Lingnan reed snake” in English and “Ling Nan Liang Tou She (岭南两头蛇)” in Chinese, referring to the Lingnan (岭南, means ‘South of the Nanling Mountains’) region where the new species is found. Lingnan is a geographic area referring to the lands in the south of the Nanling Mountains, covering the modern Chinese provinces of Guangdong, Guangxi and Hainan, as well as northern Vietnam.


Ho Yuen Yeung, Michael W. N. Lau and Jian-Huan Yang. 2022. A New Species of Calamaria (Squamata: Colubridae) from Guangdong Province, southern China. Vertebrate Zoology. 72: 433-444. DOI: 10.3897/vz.72.e84516

    

↧

[Botany • 2022] Espeletia saboyana (Asteraceae: Millerieae) • A New Critically Endangered Caulirosula from Cordillera Oriental, Colombia

June 28, 2022, 2:43 am
$
0
0


Espeletia saboyana  

in Ramirez & Mavárez, 2022.  

Abstract
Espeletia saboyana, a new species from Páramo de Saboyá, Boyacá department, Colombia, is described and illustrated. It is a caulescent rosette up to 5 m tall, with whitish-cinereous appearance, sessile leaves with elliptic laminae, cymose capitulescences with aphyllous unbranched portion and 3‐5 capitula, 5‐13 phyllaries, the external ones 17.4‐26.0 mm long, 49‐92 ray florets 13.0‐18.4 mm long, and 162‐347 disc florets 8.2‐12.2 mm long. Espeletia saboyana is similar to E. incana, but with longer laminae, bigger foliar area, and fewer ray floret series. It is also similar to E. murilloi, but with longer ray tubes, ray paleae, disc corollas, disc styles, disc anther appendages, and disc paleae. In addition, E. saboyana is distributed allopatrically in regard to E. incana and E. murilloi. This species is informally proposed to be listed as IUCN Critically Endangered (CR), since it is restricted to a single population with extent of occurrence = 1.83 km2 and area of occupancy = 0.48 km2. Besides, this population is severely fragmented into 40‐50 demes, the largest one covering only 34,000 m2. Most demes are found in humid soils and wetlands submitted to continuous habitat deterioration as water is drained for use in agriculture. Espeletia saboyana is rare or absent in these newly drained areas, which are either colonized by other species that thrive on drier soils or transformed into pastures for cattle grazing. Furthermore, analyses of size class distributions show that recruitment rates of E. saboyana are significantly lower in small demes, which, if not reversed, can further reduce population size in the near future.

Keywords: Andes; Páramo; biological conservation; caulescent rosette; demography; high-elevation; morphometrics; taxonomy





 

María Teresa Becerra Ramirez and Jesús Mavárez. 2022. Espeletia saboyana (Millerieae, Asteraceae), A New Critically Endangered Caulirosula from Cordillera Oriental, Colombia. Systematic Botany. 47(2); 593-606. DOI: 10.1600/036364422X16516711856571


↧

[Botany • 2022] Gentiana susanneae (Gentianaceae, sect. Frigida) • A New Species from Sichuan, China

June 28, 2022, 3:06 am
$
0
0


Gentiana susanneae  

in Favre, Pringle & Fu, 2022. 
Susanne’s Gentian  ||  DOI: 10.1600/036364422X16512564801579
 
Abstract 
The region of the Qinghai-Tibet Plateau hosts a remarkable biodiversity, including a plethora of endemics. There, the process of documenting biodiversity is still ongoing, and recently, an unusual plant of Gentiana section Frigida was discovered at Cuopu Lakes (Sichuan, China). Although Flora of China identified these specimens as G. algida based upon unmistakable traits (e.g. corolla colour and length, sessile flowers), it was obvious that the Sichuanese plants strongly differed morphologically from G. algida specimens from Siberia and North America. In order to clarify their relationships, we used an integrative approach, investigating not only morphological traits, but also phylogenetic relationships (based upon plastome and rDNA-cistron), as well as chloroplast structure. Whereas the rDNA-cistron phylogeny was poorly resolved, the plastome phylogeny was well supported in both Bayesian inference and maximum likelihood analyses. Our findings indicate that the samples of G. algida from Cuopu Lakes are morphologically and genetically distinct from those collected elsewhere, supporting the recognition of a new species, G. susanneae. The new species differs from G. purdomii (another similar species) by having sessile flowers, and from G. algida by being a generally much taller plant with more and longer flowers, and by having a smaller calyx. Gentiana susanneae clusters with other species from the region of the Qinghai-Tibet Plateau from which it differs morphologically, and is only distantly related to the G. algida/G. frigida clade, which stems from a dispersal event out of Tibet. Based upon these solid lines of evidence, G. susanneae is described and illustrated (drawings and photographs). In addition, a conservation assessment and an identification key modified from Flora of China are provided.

Keywords: Biogeography; Gentiana sect. Frigida; Qinghai-Tibet Plateau



Gentiana susanneae 

 
   Adrien Favre, James S. Pringle and Peng-Cheng Fu. 2022. Phylogenetics Support the Description of A New Sichuanese Species, Susanne’s Gentian, Gentiana susanneae (Gentianaceae). Systematic Botany. 47(2); 506-513. DOI: 10.1600/036364422X16512564801579
 twitter.com/AdrienFavre1/status/1541655122039783424

↧

[Ichthyology • 2022] Rhonciscus pauco • A New Species of Deep-sea Grunt (Lutjaniformes: Haemulidae) from Puerto Rico

June 28, 2022, 6:48 am
$
0
0


Rhonciscus pauco 
 Tavera​, Schärer-Umpierre & Acero P., 2022

 
Abstract
A fourth species of the genus Rhonciscus (Lutjaniformes: Haemulidae) is described from various specimens collected by small-scale fishers from the insular upper slope of western Puerto Rico. The new species was molecularly recovered as sister to the Eastern Pacific R. branickii, to which it bears many morphological similarities. It is distinguished from other Rhonciscus species by the number of scale rows between the dorsal fin and the lateral line (7), larger and thus fewer scales along the lateral line (48–50), large eyes (9.4–10.4 times in SL), longer caudal peduncle (15.2–20% of SL), larger sized penultimate (14.7–19.1% in SL) and last (7.4–9.5% in SL) dorsal fin spines which translates to a less deeply notched dorsal fin, and its opalescent silver with golden specks live coloration. This grunt, only now recognized by ichthyologists, but well known by local fishers that target snappers and groupers between 200 and 500 m in depth, occurs in far deeper waters than any western Atlantic grunt.

Rhonciscus pauco, sp. nov. OMNH 86864, holotype, 266 mm SL,
from Tres Cerros, Rincón, Puerto Rico.

Rhonciscus pauco, sp. nov. Underwater photograph taken at 218 m depth in western Puerto Rico.
 Image: NOAA NCCOS 2022.

Rhonciscus pauco sp. nov. 
Opalescent Grunt
(Spanish name: Ronco opalescente)

Diagnosis. A species of the genus Rhonciscus with XIII, 12 (total 25) dorsal-fin rays; anal-fin rays III, 7; pectoral-fin rays 15–16, 17(1); rather elongate body, maximum depth 32–37.4% SL; convex predorsal profile; eye large, its diameter 9.4% to 10.4% SL; snout subequal to eye, its length 7.6% to 11.5% SL; very coarse serrations on angle of preopercular margin; pectoral fin long (28–32.5% SL) extending beyond the tip of pelvic fin, barely reaching anus; head length 30–37.3% SL; longest dorsal-fin spine (fifth) (12.1–19.1% SL); relatively long and much thicker second anal-fin spine (16.4–21.8% SL), long caudal peduncle (15.2–20% of SL), and a large size of the penultimate (14.7–19.1% in SL) and last dorsal-fin (7.4–9.5% in SL) spines which translate to a less deeply notched dorsal fin, eye diameter 0.5 to 0.6 times length of anal fin spine; maxilla reaching anterior border of pupil; seven scale rows between dorsal fin and lateral line; 48 to 50 lateral–line scales.

Distribution. Rhonciscus pauco is found on the deep shelf and upper slope of the western coast of the northeastern Caribbean island of Puerto Rico. We are uncertain of the species’ exact range, but fishers report capturing them exclusively in fine sediment habitats distributed between the municipalities of Rincón and Mayagüez, off western Puerto Rico (Fig. 1). No additional information is currently available.

Habitat. Collection depths range from 200–360 m in fine unconsolidated sediment or mud habitats (Fig. 5).

Etymology. The name pauco comes from the fisher’s nickname Paúco, Edwin Font, who already knew of this fish locally called burro or ronco (grunt). Mr. Font was the first to report and provided specimens to MS, although it is recognized by various fishers as a component of the deep-water catch in western Puerto Rico.


Jose Tavera​, Michelle T. Schärer-Umpierre and Arturo Acero P. 2022. A New Species of Deep-sea Grunt, Rhonciscus pauco (Lutjaniformes: Haemulidae), from Puerto Rico. PeerJ. 10:e13502 . DOI: 10.7717/peerj.13502


↧
↧

[Ichthyology • 2022] Pteragogus turdus • A New Species of Wrasse (Perciformes: Labridae) from the Indo-West Pacific Ocean

June 28, 2022, 7:48 am
$
0
0


Pteragogus turdus 
Iino & Motomura, 2022


Abstract
Pteragogus turdus sp. nov. (Labridae) is described on the basis of 65 specimens (18.5–81.4 mm in standard length: SL) from the eastern Indian Ocean (Western Australia) and western Pacific Ocean. The new species is characterized by the following combination of characters: 10 dorsal-fin spines; 10–15 (modally 12, rarely 14 or 15) total gill rakers; dorsal profile of head straight; 10th dorsal-fin spine relatively short, its length 14.3–20.6% (mean 17.0%) of SL; longest pelvic-fin soft ray length 16.5–24.3% (20.4%) of SL; anterior two or three dorsal-fin spines with filamentous membrane tips in terminal phase males; anal-fin spines with relatively short filamentous membrane tips; anterior nostril with dark brown margin; three slightly curved bluish-gray vertical lines usually on cheek below eye when fresh; white stripe usually on head extending from snout tip to upper end of opercle through upper part of iris (distinct in life); large circular or elliptical dark brown blotch (subequal to eye size) margined with faint yellow or orange on upper opercle; a few small dark brown spots on mid-lateral surface of body; no black spots on abdomen; dark brown blotch on membrane between 1st and 2nd dorsal-fin spines (sometimes indistinct in life); dark brown spot usually below base of last dorsal-fin soft ray; pelvic fin generally pale reddish-white with a broad reddish-brown band medially.

Keywords: Taxonomy, Morphology, Distribution, Pteragogus cryptus


 fresh preserved specimen of Pteragogus turdus sp. nov.  
BPBM 16195, holotype, 68.5 mm SL, Alite Reef, Solomon Islands
(photo by J. Randall)


Pteragogus turdus sp. nov. (specimen not collected).
 adult individual, Ishigaki-jima Island, the Ryukyu Islands
 (photo by K. Nishiyama)

Pteragogus turdus sp. nov.
(New English name: Thrush Sneaky Wrasse; 
new standard Japanese name: Tanuki-ohagurobera)

Distribution. Widely known from the eastern Indian Ocean (Western Australia) and western Pacific Ocean (Japan, Taiwan, Thailand, Vietnam, Philippines, Palau, Micronesia, Indonesia, Papua New Guinea, Solomon Islands, eastern Australia, New Caledonia, Fiji, Tonga, and Samoa) (Fig. 4).

Etymology. The specific name “turdus” is derived from Latin meaning “thrush”, in reference to the white stripe extending from the snout tip to the upper end of the opercle and an indistinct reticulated pattern on the body, which are reminiscent of the dusky thrush (Turdus eunomus).


 
Tomoka Iino and Hiroyuki Motomura. 2022. Pteragogus turdus, A New Species of Wrasse (Perciformes: Labridae) from the Indo-West Pacific Ocean. Ichthyological Research. DOI: 10.1007/s10228-022-00875-0

【博物館】インド・西太平洋に広く分布するベラ科魚類の新種を発見、国内では屋久島以南に分布
 www.Kagoshima-U.ac.jp/topics/2022/06/post-1927.html

ปลานกขุนทองขี้อาย (Cryptic wrasse) Pteragogus cryptus

↧

[Botany • 2022] Oreocharis guangwushanensis (Gesneriaceae) • A New Species from Sichuan Province, China

June 28, 2022, 8:46 am
$
0
0


Oreocharis guangwushanensis Z.L.Li & Xin Hong, 

in Li, Ma, ... et Hong. 2022. 

Abstract
A new species of Oreocharis, O. guangwushanensis from the Sichuan Province of south-western China, is described and illustrated here. This new species has a pink corolla that is different from other species of Oreocharis in southwest China and, although it is morphologically similar to O. ronganensis and O. reticuliflora, it has significant differences in the colour and shape of the corolla, the apex of the corolla limb, shape and indumentum of the filaments and a shorter pistil. A detailed description, colour photographs, distribution and habitat, as well as the IUCN conservation status, are also provided.

Keywords: Didymocarpoideae, Lithophilous, new taxon, pink flowers, Sichuan flora

Oreocharis guangwushanensis Z.L.Li & Xin Hong
 A flowering plants in natural habitat B plant with pair-flowered cymes C corolla front view D opened corolla
E dissected calyx lobes, outside brown with rusty strigose indumentum (3 left), inside green with brown pilose indumentum on margins (2 right) F peduncle, pedicel and young lateral branch G leaves (left: adaxial surface, right: abaxial surface) H capsule
I immature pistil J immature pistil with calyx K mature pistil with calyx.


 Oreocharis guangwushanensis Z.L.Li & Xin Hong, sp.nov.
 
Diagnosis: Oreocharis guangwushanensis morphologically resembles O. ronganensis and O. reticuliflora. The new species is vegetatively similar to O. ronganensis, but it differs from the latter in that the adaxial lip is 2-lobed to or above the middle (vs. lobed to near base), ovary with white pubescence (vs. glabrous), anthers in pairs (vs. anthers free), shorter tube (9–14 mm vs. 20 mm), shorter pistil (5 mm vs.12–15 mm) and filaments strongly twisted and bent at the top (vs. linear, straight). The new species resembles O. reticuliflora in habit, flower tube and the shape of the calyx, but differs by its pink limbs (vs. limbs with a network of violet stripes), filaments strongly twisted and bent at the top (vs. linear, straight), anthers in pairs (vs. anthers free), ovary with white pubescence (vs. glandular-pubescence) and shorter pistil (5 mm vs. 10–12 mm).


Etymology: The specific epithet is derived from the type locality, Guangwushan Provincial Nature Reserve, Sichuan province, China.

Vernacular name: Guāng Wù Shān Mǎ Líng Jù Tái (Chinese pronunciation); 
光雾山马铃苣苔 (Chinese name).


 Zheng-Long Li, Hai-Jun Ma, Zheng-Rong Ye, De-Chang Meng, Fang Wen and Xin Hong. 2022. Oreocharis guangwushanensis, A New Species of Gesneriaceae from Sichuan Province, China. PhytoKeys. 201: 123-129. DOI: 10.3897/phytokeys.201.77574

↧
Search

[Crustacea • 2022] Caridina stellata • A New Species of Atyid Shrimp (Decapoda, Caridea, Atyidae) with the Male Description of Caridina cavernicola Liang & Zhou, 1993 from Guangxi, China

June 29, 2022, 7:39 pm
$
0
0
 
(A) Caridina stellata 
Guo, Chen, Chen, Cai & Guo. 2022
Caridina cavernicola 
Liang & Zhou, 1993

Abstract
Caridina stellata sp. nov. is described from streams in Guangxi, south-western China. The new species clearly belongs to “Caridina serrata group” of the genus and shows a morphological similarity with C. cantonensis Yu, 1938, C. serrata Stimpson, 1860 and C. pacbo Do et al. 2020. Caridina stellata is distinguished from congeners, based on differences in its male first pleopod and appendix masculina morphology, along with COI and 16S rRNA molecular evidence. The first pleopod endopod in male is rectangle, about 0.70 × length of exopod, about 3.7–3.9 × as long as proximally wide, inner margin concave, bearing nearly equal spine setae, outer margin bearing nearly equal long and dense spine setae; appendix interna well developed, arising from distal 1/5 of endopod, reaching to end of endopod, with cincinuli distally. The new species displays a unique and brightly coloured pattern and, therefore, can be easily recognised in the field. Liang & Zhou, 1993 described C. cavernicola from the Lenggu Cave, Du’an County, Guangxi. However, the description was based exclusively on two females. We have collected specimens of both sexes near the type locality and describe herein the previously unknown male and present morphological data on females. Data on the habitat, ecology and levels of threat of the two species are provided and suggest that they should be categorised as vulnerable (VU) under the current IUCN Criteria.

Keywords: COI and 16S rRNA, ecology, habitat, levels of threat, new species, south-western China


Habitats and live colouration of Caridina stellata sp. nov. and C. cavernicola
A C. stellata sp. nov. B–D C. cavernicola;
E–H surrounding environment of C. stellata sp. nov. (E) and C. cavernicola (F–H).

Family Atyidae De Haan, 1849

GenusCaridina H. Milne Edwards, 1837

 Caridina stellata sp. nov.

Diagnosis: Rostrum long, straight, slightly sloping downwards, reaching to end of 2nd segment of antennular peduncle, occasionally reaching to end of 3rd segment of antennular peduncle; rostral formula 6-8+7-16/6-13. 1st pereiopod carpus 0.43–0.71 × as long as chela, 1.2–1.4 × as long as high; chela 1.8–2.4 × as long as broad; fingers 0.80–1.1 × as long as palm. 2nd pereiopodcarpus 1.1–1.3 × as long as chela, 4.0–4.8 × as long as high; chela 2.1–2.4 × as long as broad; fingers 1.1–1.4 × as long as palm. 3rd pereiopod propodus 4.0–5.5 × as long as dactylus, with two rows thin spines on the posterior margin, ischium with one spine on the posterior margin. 5th pereiopod propodus 4.2–5.3 × as long as dactylus, with two rows of thin spines on the posterior and lateral margins, dactylus terminating in one claw, with 35–40 spinules on flexor margin. Endopod of male 1st pleopod extending to 0.68 × exopod length, wider proximally, rectangle, about 3.7–3.9 × as long as wide, appendix interna well developed, arising from distal 1/6 of endopod, reaching end of endopod. Appendix masculina of male 2nd pleopod cylindrical, reaching to 0.58 length of endopod, appendix interna reaching to 0.50 length of appendix masculina. Uropodal diaeresis with 17–19 movable spinules. Eggs 0.84–0.89 × 1.27–1.39 mm in diameter.
 
Etymology: Caridina stellata is named after the Latin word stellatus, for dots, alluding to the pigmented pattern of the body.

    


 Guo-Cai Guo, Qing-Hua Chen, Wen-Jian Chen, Chao-Huang Cai and Zhao-Liang Guo. 2022. Caridina stellata, A New Species of Atyid Shrimp (Decapoda, Caridea, Atyidae) with the Male Description of Caridina cavernicola Liang & Zhou, 1993 from Guangxi, China. ZooKeys. 1104: 177-201. DOI: 10.3897/zookeys.1104.81836


↧

[Entomology • 2022] New Insights into the Genetic Diversity of the Balkan Bush-crickets of the Poecilimon ornatus Group (Orthoptera: Tettigoniidae)

June 30, 2022, 12:09 am
$
0
0


A Poecilimon pseudornatus, B P. gracilioides, C P. a. affinis,
D P. a. hajlensis, E P. gracilis, F P. nobilis,
G P. rumijae, H P. hoelzeli, I P. ornatus.

in Kociński, Chobanov & Grzywacz, 2022. 
Photos: Dragan Chobanov.

Abstract
The Balkan Peninsula is treated as a hotspot of biodiversity with over 40% of European bush-crickets occurring there. Poecilimon Fischer, 1853 is one of the largest Palaearctic orthopteran genera containing several species groups. One of them is the Poecilimon ornatus group (Schmidt, 1850) with 13 species and 5 subspecies. Among the group, the Poecilimon affinis complex is designated as consisting of P. pseudornatus Ingrisch & Pavićević, 2010, P. nonveilleri Ingrisch & Pavićević, 2010, and five subspecies of P. affinis (Frivaldszky, 1868). The aim of this study is to reconstruct the phylogenetic relationships among taxa of the P. ornatus group and to elucidate the position of taxa related to the P. affinis complex. Molecular phylogeny supported the monophyly of the P. ornatus group and showed that their ancestor probably originated in the southern Balkans. The underlying processes are thought to be six dispersals and five vicariance events linked to geological events and climate changes in the Pleistocene. The species delimitation analysis showed mostly nine hypothetical species among the group.

Keywords: biogeography, evolution, phylogeny, Poecilimon affinis complex, taxonomy


A Poecilimon pseudornatus, B P. gracilioides, C P. a. affinis, D P. a. hajlensis, E P. gracilis, F P. nobilis, G P. rumijae, H P. hoelzeli, I P. ornatus. 
Photos: Dragan Chobanov.

Bayesian inference tree from a dataset including COI, ND2, CR, and ITS1 sequences of the Poecilimon ornatus group. Bayesian (BI) and Maximum likelihood (ML) topologies were consistent, so only one tree is shown. I – the first clade, II – the second clade, III – the third clade. The right panel shows groupings from different species delimitation approaches, as follows: bPTP ML – the Poisson Tree Processes; ASAP – Assemble Species by Automatic Partitioning; GMYC – maximum-likelihood approach based on the general mixed Yule-coalescent model; ABGD – Automatic Barcode Gap Discovery. The last grouping is based on localities of the taxa studied (NM – North Macedonia, MN – Montenegro, SR – Serbia, BG – Bulgaria, AL – Albania, GR – Greece). Scale bar: number of substitutions per nucleotide position.

A Poecilimon pseudornatus, B P. gracilioides, C P. a. affinis,
D P. a. hajlensis, E P. gracilis, F P. nobilis,
G P. rumijae, H P. hoelzeli, I P. ornatus.
Photos: Dragan Chobanov.


Maciej Kociński, Dragan Chobanov and Beata Grzywacz. 2022. New Insights into the Genetic Diversity of the Balkan Bush-crickets of the Poecilimon ornatus Group (Orthoptera: Tettigoniidae). Arthropod Systematics & Phylogeny. 80: 243-259.  DOI: 10.3897/asp.80.e82447


↧
↧

[Botany • 2022] Aster quanzhouensis (Asteraceae) • A New Riparian Species from eastern China

June 30, 2022, 3:23 am
$
0
0

 Aster quanzhouensis M.Tang, G.J.Yan & W.P.Li, 

 in Xiao, Yan, Li & Tang, 2022. 
泉州紫菀  ||  DOI: 10.3897/phytokeys.195.82411

Abstract
Aster quanzhouensis sp. nov. (Asteraceae) from Fujian, eastern China, is described and illustrated. It grows on rocks in the riparian zone. Morphological, cytological and molecular investigations of A. quanzhouensis were carried out. The morphological data and phylogenetic analysis based on combined ITS, ETS and trnL-F dataset suggest that A. quanzhouensis is a separate species closely related to A. tonglingensis. The new species differs from the latter by the shorter stem length, leaf morphology, colour of phyllaries, number of ray florets, and achene shape. The cytological observation shows that the new species is diploid with a karyotype of 2n = 18.

Keywords: Asteraceae, Aster quanzhouensis, new species, taxonomy


 Aster quanzhouensis M.Tang, G.J.Yan & W.P.Li, sp. nov. 
A habitat B habit C seedling D steam E rosulate leaves F top view of the capitulum G a disk floret (left) and a ray floret (right) H style branches of a disk floret I receptacle J fruits K dorsal view of a capitulum L phyllaries (from outer to inner, left to right).


 Aster quanzhouensis M.Tang, G.J.Yan & W.P.Li, sp. nov.
 
Diagnosis: Aster quanzhouensis differs from A. tonglingensis by its stems only 21–30 (60) cm (vs. 70–100 cm) long, narrowly lanceolate (vs. lanceolate) rosulate leaves, purplish-red (vs. green) apices of the phyllaries, 9–20 (40) (vs. more than 30) capitula, 7–11 (vs. ca. 15) ray florets, 11–14 × ca. 2 mm (vs. 7–10 × ca. 2 mm) lamina, two-or three-ribbed (vs. 4-ribbed) achenes and flowering period (Sep to early Dec vs. Jul) (Figs 2, 3, Table 1).

Etymology: The species is named after its type locality, Quanzhou city, Fujian province, China.

Vernacular name: quán zhōu zĭ wăn (Chinese pronunciation); 
泉州紫菀 (Chinese name).

Distribution and habitat: Aster quanzhouensis is known from Dehua and Yongchun counties, Quanzhou city, Fujian province, China. The new species grows on rocks in riparian habitats at an altitude of ca. 500 m a.s.l.

 Jia-Wei Xiao, Guo-Jiao Yan, Wei-Ping Li and Ming Tang. 2022. Aster quanzhouensis (Asteraceae), A New Riparian Species from eastern China. PhytoKeys. 195: 93-106. DOI: 10.3897/phytokeys.195.82411

   

↧

[Botany • 2022] Eugenia paranapanemensis (Myrtaceae) • the Pitanga-amarela, and A Key to Eugenia sect. Eugenia Species from São Paulo State, Brazil

June 30, 2022, 9:53 pm
$
0
0


Eugenia paranapanemensis   

in Valdemarin, Camargo, Moreno, ... et Mazine, 2022. 

 Abstract  
A new species popularly known as pitanga-amarela, Eugenia paranapanemensis, from Seasonal Forest vegetation in the Atlantic Forest of São Paulo state is described. Our analysis, based on morphological data, shows that this species belongs to Eugenia sect. Eugenia. Among the species in the Eugenia sect. Eugenia clade, E. paranapanemensis can be recognized by its height of about 25 m, flowers with a smooth and pubescent hypanthium, brownish to ochraceous trichomes, and fruits that are yellow when ripe, with up to six seeds.

KEYWORDS: Atlantic forest, conservation, ecology, Myrteae, new species, Penelope, Ramphastos, seasonal forest, Tangara



  


 

Karinne S. Valdemarin, Paulo H. S. A. Camargo, Daniele Janina Moreno, Vinicius Castro Souza, Eve Lucas and Fiorella F. Mazine. 2022. Eugenia paranapanemensis (Myrtaceae), the Pitanga-amarela, and A Key to Eugenia sect. Eugenia Species from São Paulo State, Brazil. Systematic Botany 47(2); 498-505. DOI: 10.1600/036364422X16512564801669 (14 June 2022) 


↧

[Diplopoda • 2022] Hyleoglomeris alba & H. halang • Two New Cave Hyleoglomeris Species (Glomerida: Glomeridae) from northern Vietnam

July 1, 2022, 1:47 am
$
0
0


Hyleoglomeris alba Nguyen, Kuroda & Eguchi,

in Kuroda, Eguchi, Oguri & Nguyen, 2022. 

Abstract
Two new glomerid species from caves in Cao Bang Province, Northern Vietnam, namely, Hyleoglomeris halang Kuroda, Nguyen & Eguchi, sp. nov. and Hyleoglomeris alba Nguyen, Kuroda & Eguchi, sp. nov., are described. The former is characterized by a distinct body color pattern; telopods with a large, quadrate, medially concave, sparsely setose, central syncoxital lobe; and syncoxital horns approximately 1.5–2.0 times as long as the lobe. The latter is distinguished by its completely troglobiotic form without eyes, an unpigmented body, and a roundly triangular syncoxital lobe of telopods. An identification key is also provided for the cave glomerids of Vietnam.

Keywords: Biodiversity, millipede, new species, taxonomy, troglobiont

A, B Hyleoglomeris alba Nguyen, Kuroda & Eguchi, sp. nov., habitus
C Ky Rang cave, dark zone.  

A Hyleoglomeris halang Kuroda, Nguyen & Eguchi, sp. nov.
B Nguom Hang cave, entrance zone.  


Mai Kuroda, Katsuyuki Eguchi, Emiko Oguri and Anh D. Nguyen. 2022. Two New Cave Hyleoglomeris Species (Glomerida, Glomeridae) from northern Vietnam. ZooKeys. 1108: 161-174. DOI:  10.3897/zookeys.1108.85423

↧
Viewing all 11131 articles
Browse latest View live
Search
<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>