Integrative taxonomy of the genus Nesticus in central Japan, with the description of a new species and redescriptions of N. echigonus and N. gondai (Araneae, Nesticidae)

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  Integrative taxonomy of the genus Nesticus in central Japan, with the description of a new species and redescriptions of N. echigonus and N. gondai (Araneae, Nesticidae) Abstract Species of the genus Nesticus ( Araneae , Nesticidae ) in central Japan are revised based on morphological and molecular analyses of specimens collected from Niigata and Gunma Prefectures. Among them, a putative undescribed species was discovered having clearly distinguishable morphological characters from other known species in the same area. A phylogenetic analysis based on the mitochondrial COI gene was carried out using a maximum-likelihood method to confirm its distinctiveness. The new species, Nesticus yamabushi sp. nov ., is described based on specimens of both sexes. Furthermore, we provide detailed redescriptions of two other closely related species, N. echigonus and N. gondai , to address the lack of information in their original descriptions and facilitate future identifications. This s...

On some Chrysometa Simon, 1894 species collected from Ecuador: redescription of C. bolivia, description of a new species, and comments on the type locality of C. otavalo (Araneae, Tetragnathidae)

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On some Chrysometa Simon, 1894 species collected from Ecuador: redescription of C. bolivia, description of a new species, and comments on the type locality of C. otavalo (Araneae, Tetragnathidae)

Abstract

Chrysometa chuchaqui sp. nov is described from the valley of Tandayapa, Northwestern Ecuador, based on a unique character combination of male and female genitalia. C. bolivia Levi, 1986 is redescribed based on specimens from Ecuador, providing new information regarding the morphology of this species. Finally, the type locality of C. otavalo Levi, 1986 is discussed and a new georeferentiation is proposed.

Peñaherrera-R., P. (2025). On some Chrysometa Simon, 1894 species collected from Ecuador: redescription of C. bolivia, description of a new species, and comments on the type locality of C. otavalo (Araneae, Tetragnathidae). Zootaxa 5636(3): 511-522. doi:10.11646/zootaxa.5636.3.6