Description of Nilgirius pygoprominulus sp. n. (Opiliones, Assamiidae, Trionyxellinae) from China, with notes on its sexual dimorphism

Collection: Pensoft Publishers

Keywords: Arachnida · Topics: Subterranean biodiversity and taxonomy, Parasite Biology and Host Interactions, Environmental DNA in Biodiversity Studies

A new species of Nilgirius, N. pygoprominulus sp. n. (male and female) in the family Assamiidae from Yunnan Province, China, is described and illustrated herein. Sexual size dimorphism (male larger than female) is inconsistent with most assamiids. Other sexually dimorphic features (body shape, leg IV and pseudonychium) are reported.Nilgirius pygoprominulus sp. n. is described as a new species of Trionyxellinae. Information about sexual dimorphism of the species is reported.

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