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Nesticus baeticus sp. n., a new troglobitic spider species from south-west Europe (Araneae, Nesticidae).

ABSTRACT: A new troglobitic species, Nesticus baeticussp. n. (♂♀), inhabiting the karst landscapes of the high part of the Cazorla, Segura and Las Villas Natural Park (NE Jaén, Spain) where it has been found in 8 caves is diagnosed and described, its distribution and habitat are also analyzed.The new species belongs to the Iberian species group that includes Nesticus luquei, Nesticus lusitanicus and Nesticus murgis. Evolutionary relationships of the Iberian Nesticus species are discussed on the basis of morphological and molecular data (cox1 and rrnL).

SUBMITTER: Lopez-Pancorbo A

PROVIDER: S-EPMC3082960 | biostudies-literature |

REPOSITORIES: biostudies-literature

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A new spider species, Heser stoevi sp. nov., from Turkmenistan (Araneae: Gnaphosidae).

Project description:BACKGROUND:The genus Heser (Araneae, Gnaphosidae) belongs to the Zelotes group, and is currently known to comprise 10 species distributed in Africa, Asia, Europe and North America. The type species is Heser malefactor Tuneva, 2004 from Kazakhstan. NEW INFORMATION:A new spider species, Heser stoevi sp. nov. (male and female) found in Koytendag Mountains, southeastern Turkmenistan is described and illustrated. It is morphologically close to H. aradensis (Levy, 1998) from Israel but can be readily distinguished by the longer embolus, the smaller and flattened conductor, the lack of retrolateral tibial apophysis, all this coupled with very distinctive female copulatory organs. The new species was found under stones in arid grassland habitats.

| S-EPMC5018111 | biostudies-literature

Bassanianabirudis sp. nov., a new crab spider (Araneae, Thomisidae) from South Korea.

Project description:BackgroundThe crab spider genus Bassaniana Strand, 1928 consists of six species mainly distributed in North America and Far East Asia. Two species of them, Bassanianadecorata (Karsch, 1879) and Bassanianaora Seo, 1992, are known in Korea so far.New informationA new crab spider, Bassanianabirudis sp. nov. is described, based on a male collected from Gumi-si, Gyeongsangbuk-do, South Korea. Distribution records are provided, as well as photos of habitus and illustrations of the male copulatory organ. The type specimens of this study are deposited in the collection of the Nakdonggang National Institute of Biological Resources (NNIBR) and Konkuk University (KKU), South Korea.

| S-EPMC8613144 | biostudies-literature

Palystes kreutzmanni sp. n. - a new huntsman spider species from fynbos vegetation in Western Cape Province, South Africa (Araneae, Sparassidae, Palystinae.

Project description:Palystes kreutzmannisp. n. is described from habitats close to Kleinmond, in the Western Cape Province, South Africa. Spiders of this new species live in the typical fynbos vegetation of the Western Cape region. They build retreats between apical leaves of Leucadendron bushes. The systematic position of Palystes kreutzmannisp. n. is discussed. Male and female show characters of different species groups, especially the female copulatory organ seems to be unique within the genus Palystes L. Koch, 1875.

| S-EPMC3088420 | biostudies-literature

Four new species of the spider genus Synagelides Strand, 1906 from South China (Araneae, Salticidae).

Project description:Four new species of the jumping spider genus Synagelides Strand, 1906 from Guizhou and Yunnan, China are described: Synagelidesangustus sp. nov. (♀), S.latus sp. nov. (♂♀), S.subagoriformis sp. nov. (♂♀), and S.triangulus sp. nov. (♀). Photographs of the habitus and copulatory organs and a distributional map are provided.

| S-EPMC8671717 | biostudies-literature

Typhlonesticus gocmeni sp. n., a new cave-dwelling blind spider species from the Aegean region of Turkey (Araneae, Nesticidae).

Project description:A new species of the troglobitic spider genus Typhlonesticus is described from specimens found in Keloğlan Cave (Denizli Province, Dodurgalar Town), Turkey. Typhlonesticus gocmeni sp. n. is described on the basis of both sexes; and its phylogenetic relationships with closely related European genera and species are discussed based on morphological and molecular data (the cox1, rrnL and H3 genes). Three new combinations are proposed: Typhlonesticus idriacus (Roewer, 1931), comb. n., Typhlonesticus morisii (Brignoli, 1975) comb. n. and Typhlonesticus obcaecatus (Simon, 1907), comb. n. all ex Nesticus.

| S-EPMC4109453 | biostudies-literature

New species of smiley-faced spider Spintharus (Araneae, Theridiidae) from Brazil, and comments on unobserved diversity in South America.

Project description:Spintharus is a genus of spiders that contained only two species until 2018 when it was demonstrated that a 'widespread' species was instead composed of multiple short-range endemics. This note redescribes Spintharus gracilis Keyserling and describes a new species of Spintharus (Araneae, Theridiidae), S. leverger sp. nov., both based on specimens from Brazil. We also examine specimens from several additional localities in Brazil displaying variation consistent with patterns previously found within the Caribbean: geographically isolated and unique localities may contain independent species lineages. Given the limited number of specimens, profuse variation, and lack of DNA data from museum specimens, it is challenging to gauge the number of species in the observed material. Instead of describing these as new species here, we highlight this variation and hypothesize that in South America, a greater diversity of the genus across the geographical landscape will be found than predicted based on Levi's "widespread Spintharus flavidus" hypothesis. Our results suggest that continental efforts to sample the genus would be profitable, as this charismatic group likely harbors unappreciated diversity throughout the continent.

| S-EPMC7052027 | biostudies-literature

Three species of Hitobia Kamura, 1992 (Araneae, Gnaphosidae) from south-west China.

Project description:Two new species and one new record of the Hitobia are described from Gaoligong Mountains, Yunnan Province, China: Hitobiatengchong sp. n. (male), Hitobiahirtella sp. n. (male) and Hitobiamakotoi Kamura, 2011. Distributional data and illustrations of body and copulatory organs are provided. The differences between the new species and their related species are discussed.

| S-EPMC4284633 | biostudies-literature

Four new Mouse Spider species (Araneae, Mygalomorphae, Actinopodidae, Missulena) from Western Australia.

Project description:Four new species of the Mouse Spider genus Missulena Walckenaer, 1805 (family Actinopodidae) are described from Western Australia based on morphological features of adult males. Missulena leniae sp. n.(from the Carnarvon and Yalgoo biogeographic regions), Missulena mainae sp. n. (Carnarvon), Missulena melissae sp. n. (Pilbara) and Missulena pinguipes sp. n. (Mallee) represent a broad spectrum of morphological diversity found in this genus and differ from other congeners by details of the male copulatory bulb, colour patterns, eye sizes, leg morphology and leg spination. Two of the species, M. pinguipes sp. n. and M. mainae sp. n., are characterised by swollen metatarsi of the fourth legs in males, a feature not previously recorded in the family. A key to males of all named Missulena species from Australia is presented and allows their identification based on external morphology.

| S-EPMC4042711 | biostudies-literature

Callosa gen. n., a new troglobitic genus from southwest China (Araneae, Linyphiidae).

Project description:A new linyphiid genus Callosagen. n., with two new species Callosa ciliatasp. n. (??, type species) and Callosa baiseensissp. n. (??), from southwest China are described. Detailed description of genitalic characters and somatic features is provided, as well as light microscopy and SEM micrographs of each species. Callosagen. n. was found in caves in Yunnan and Guangxi, and its copulatory organs are similar to those of Bathyphantes and Porrhomma, but differ greatly in details. The monophyly and placement of Callosagen. n. are supported by the results of molecular analysis.

| S-EPMC5674017 | biostudies-literature

Twenty-eight new species of the spider genus Merizocera Fage, 1912 (Araneae, Psilodercidae) from South and Southeast Asia.

Project description:Previously, the genus Merizocera Fage, 1912 comprised only seven species from Indonesia, Malaysia, Sri Lanka, and Thailand. In this study, 28 new species are described from South and Southeast Asia: M. baoshan Li, sp. nov. (♂♀), M. betong Li, sp. nov. (♂♀), M. colombo Li, sp. nov. (♂♀), M. galle Li, sp. nov. (♂♀), M. hponkanrazi Li, sp. nov. (♂), M. kachin Li, sp. nov. (♂♀), M. kandy Li, sp. nov. (♂♀), M. mandai Li, sp. nov. (♂♀), M. krabi Li, sp. nov. (♂♀), M. kurunegala Li, sp. nov. (♂♀), M. lincang Li, sp. nov. (♀), M. mainling Li, sp. nov. (♂♀), M. nyingchi Li, sp. nov. (♀), M. peraderiya Li, sp. nov. (♂♀), M. phuket Li, sp. nov. (♂♀), M. putao Li, sp. nov. (♂♀), M. ranong Li, sp. nov. (♂♀), M. ratnapura Li, sp. nov. (♂♀), M. salawa Li, sp. nov. (♂), M. tak Li, sp. nov. (♀), M. tanintharyi Li, sp. nov. (♂♀), M. tengchong Li, sp. nov. (♂), M. thenna Li, sp. nov. (♂♀), M. uva Li, sp. nov. (♀), M. wenshan Li, sp. nov. (♂♀), M. wui Li, sp. nov. (♂♀), M. yala Li, sp. nov. (♀), and M. yuxi Li, sp. nov. (♂♀). Among them the genus Merizocera is reported for the first time from China, Myanmar, and Singapore.

| S-EPMC7449989 | biostudies-literature

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