Four new species of the genus Psechrus Thorell, 1878 (Araneae: Psechridae) from Yunnan Province, China

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  Four new species of the genus Psechrus Thorell, 1878 (Araneae: Psechridae) from Yunnan Province, China Abstract Four new species of the genus Psechrus Thorell, 1878 are described from Yunnan Province, China: Psechrus luopingensis sp. nov. (♂♀), P. mingsheng i sp. nov. (♂♀), P. cornutus sp. nov. (♂♀) and P. cordatus sp. nov. (♂♀). Detailed morphological descriptions, photographs of living specimens, and a distribution map of the new species are provided. Chen, R., & Yang, Z.-Z. (2026). Four new species of the genus Psechrus Thorell, 1878 (Araneae: Psechridae) from Yunnan Province, China. European Journal of Taxonomy, 1081(1), 1–27. https://doi.org/10.5852/ejt.2026.1081.3311

Review of the American genus Bolostromus Ausserer, 1875 with the description of fourteen new species (Araneae, Cyrtaucheniidae)

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Review of the American genus Bolostromus Ausserer, 1875 with the description of fourteen new species (Araneae, Cyrtaucheniidae)

Abstract

The family Cyrtaucheniidae is seldom found in the Americas, only 10 species are known to occur. Herein we described fourteen new species for the family Cyrtaucheniidae, all belonging to the genus Bolostromus from Central America and South America: Bolostromus busu n. sp. (female); B. devriesi n. sp. (female); B. epiphyticus n. sp. (male, female); B. fonsecai n. sp. (male); B. hubeni n. sp. (male, female); B. italoi n. sp. (female); B. laheredia n. sp. (male); B. losrios n. sp. (male); B. nischki n. sp. (male); B. urku n. sp. (male), B. primus n. sp. (male); B. pristirana n. sp. (male); B. stridulator n. sp. (male), and B. valdivia n. sp. (female). Photographs of the type specimens of: Bolostromus fauna (male and female); Bolostromus gaujoni (male); B. holguinensis (female juvenile); B. insularis (female juvenile); B. pulchripes (female); B. riveti (male) and, B. venustus (female) are provided, as well as a distribution map of all species.

  • NADINE DUPÉRRÉMuseum of Nature Hamburg; Leibniz Institute for the Analysis of Biodiversity Change (LIB); Center for Taxonomy and Morphology; Martin-Luther-King-Platz 3; Hamburg; Germany Research Associate; American Museum of Natural History; New York; NY; U.S.A.https://orcid.org/0000-0003-2195-878X