Sinacosa is a genus of trapdoor-building wolf spiders in the family Lycosidae.
It is the first trapdoor-building wolf spider reported from outside Australia. The genus resembles Xerolycosa.
Distribution Sinacosa is endemic to China.
S. gaoi has been described from Guangxi Zhuang Autonomous Region, Yunnan Province. S. nangunheensis is known from Yunnan.
Etymology The genus name is a combination of "sina" ("China") and the common wolf spider genus ending "-cosa".
Species , this genus includes two species:
Sinacosa gaoi Wang, Lu & Zhang, 2023 – China Sinacosa nangunheensis Wang, Yang & Zhang, 2025 – China
References