Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid

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  Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid Abstract Eight new species of pseudoscorpions belonging to the genus Pseudochthonius Balzan, 1892 are described from the semi-arid region of Brazil. Comprehensive morphological descriptions, diagnostic characters, detailed illustrations, and ecological remarks of the habitats are provided for Pseudochthonius celestialis sp. nov., P. caritas sp. nov., P. patientia sp. nov., P. temperantia sp. nov., P. diligentia sp. nov., P. castitas sp. nov., P. humilitas sp. nov., and P. benignitas sp. nov. In addition, we present a brief discussion of the potential factors underlying the remarkable congeneric species richness observed in this geographically restricted region, as well as the principal threats faced by these species. These findings underscore the importance of conserving caves in order to pr...

A survey of Synaphosus Platnick & Shadab, 1980 (Araneae: Gnaphosidae) in Azerbaijan, including the description of a new species

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A survey of Synaphosus Platnick & Shadab, 1980 (Araneae: Gnaphosidae) in Azerbaijan, including the description of a new species

Abstract

A survey of ground spiders of the genus Synaphosus Platnick & Shadab, 1980 (Gnaphosidae) from Azerbaijan, including five species, is presented. Among them, S. nakhchivanicus sp. nov. is described based on a male specimen collected in the Julfa District. In addition, S. syntheticus (Chamberlin, 1924) is reported from the Caucasus for the first time.

Nuruyeva, T. V., Fomichev, A. A., Snegovaya, N. Y., Alekperov, I. K., Huseynzade, G. A., & Musayeva, Z. Y. (2026). A survey of <em>Synaphosus</em> Platnick & Shadab, 1980 (Araneae: Gnaphosidae) in Azerbaijan, including the description of a new species. Ecologica Montenegrina, 99, 82–88. https://doi.org/10.37828/em.2026.99.6