The stoneflies (Plecoptera) of South Dakota

Few records exist pertaining to the Plecoptera of South Dakota. We present an updated list of 33 species representing 25 genera and eight families for the state. Five new state records include: Amphinemura linda, Taeniopteryx burksi, Pteronarcys pictetii. Isoperla bilineata. and Perlesta dakota. Dis tributional data are included for species not previously reported. The ston efly fauna of South Dakota exhibits mixed affinities. with western, eastern , northern, prairie, and widespread species present.