New species and new records of Amphinemurinae (Plecoptera: Nemouridae) from Shaanxi Province of China.

Three new species of the Amphinemurinae genus Amphinemura, A. dicroidea sp. nov., A. longihamita sp. nov. and A. microhamita sp. nov., are described from China. These new species are compared with related taxa. Amphinemura multispina (Wu) and Sphaeronemoura grandicauda (Wu) (also belonging to the Amphinemurinae) are recorded from Shaanxi Province, northwestern China for the first time. The adult male of A. multispina is redescribed and the adult female of S. grandicauda is also described based on new material.