New data on the fauna and distribution of caddisflies (Trichoptera) of the tributaries of Lake Baikal, Russia
New data on the caddisfly fauna studied during 2001-2019 in 44 watercourses of the Lake Baikal basin is presented; 24 watercourses were studied for the first time. 129 species from 53 genera and 17 families are revealed, occurrence of 52 previously reported species is confirmed, and 12 species, Rhyacophila cedrensis Schmid, 1993, Rh. depressa Martynov, 1910, Agapetus jakutorum Martynov, 1934, Hydropsyche contubernalis MacLachlan, 1865, H. valvata Martynov, 1927, H. orientalis Martynov, 1934, Anabolia servata MacLachlan, 1880, Asynarchus lapponicus Zetterstedt, 1840, Athripsodes aterrimus Stephens, 1836, Ceraclea equiramosa Morse, Yang et Levanidova, 1997, C. fulva Rambur, 1842, C. sibirica Ulmer, 1906 and Setodes punctatus Fabricius, 1793 are newly registered for the region, and Crunoecia irrorata (Curtis, 1834) is firstly recorded for Siberia.