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

A case of gynandry and intersexuality in Phidippus regius C. L. Koch, 1846 (Araneae: Salticidae)

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A case of gynandry and intersexuality in Phidippus regius C. L. Koch, 1846 (Araneae: Salticidae)

Abstract

A type 1 gynandromorph with intersexuality of the sexually dimorphic jumping spider Phidippus regius C. L. Koch, 1846 is reported, with photographs of the specimen (including documentation of ontogenetic colour change) both preserved and in vivo.

Sherwood & Hatcher 2026.  Daniella Sherwood, Paris Hatchard.  21 Apr 2026.  A case of gynandry and intersexuality in Phidippus regius C. L. Koch, 1846 (Araneae: Salticidae)  Peckhamia 347.1: 1-6. https://peckhamia.com/peckhamia/PECKHAMIA_347.1.pdf