Seven new species and four new records of Psychomyiidae (Insecta, Trichoptera) from China.

Seven new species of the family Psychomyiidae Walker, 1852 are described and illustrated from China; they are Psychomyiashuni sp. nov. , Ps.mangshanensis sp. nov. , Ps.capricornis sp. nov. , Lypesagittalis sp. nov. , Paduniellafasciaria sp. nov. , Pa.sanyaensis sp. nov. , and Tinodesaviformis sp. nov. The genus Lype is reported for the first time from mainland China. In addition, four psychomyiids are found to be new to the Chinese caddis fauna: Psychomyiaindra Malicky & Chantaramongkol, 1993; Paduniellaandamanensis Malicky, 1979; Pa.dendrobia Malicky & Chantaramongkol, 1993; and Tinodesgapbona Johanson & Oláh, 2008. Moreover, Psychomyiapolyacantha Li, Qiu & Morse, 2021 is reviewed and synonymized with Psychomyiaimamiah Malicky, 2020.
Competing Interests: The authors have declared that no competing interests exist.
(Lang Peng, Zhen Deng, Yu-hua Zhang, Meng Wang, Chang-hai Sun, Bei-xin Wang.)