New records of caddis flies (Insecta: Trichoptera) for the Republic of Tuva, South Siberia, Russia
11 caddis fly species from 8 families are registered for the basin of Bol’shoi Yenisei River in Todzha Depression, Tuva. Currently, the caddis fly fauna in the Bol’shoi Yenisei River basin includes 44 species from 12 families, of which 8 species, Stenopsyche marmorata Navбs, 1920 , Glossosoma nylanderi McLachlan, 1879 , Setodes pulcher Martynov, 1910, Lepidostoma albardanum (Ulmer, 1906), Goera squamifera Martynov, 1909, Asynarchus contumax McLachlan, 1880, Asynarchus lapponicus (Zetterstedt, 1840) and Lenarchus bicornis (McLachlan, 1880) , are newly recorded for this area, and 5 species, S. pulcher, Lepidostoma albardanum (Ulmer, 1906) , G. squamifera, A. contumax and L. bicornis are new for Tuva, and L. bicornis is new for Eastern Palearctic. In result, 99 caddis fly species are known for Tuva. Photographs of S. pulcher, G. squamifera and L. bicornis male genitalia are presented.