Rhyacophila simplex Nimmo 1977

Nimmo 1977. The adult Trichoptera (Insecta) of Alberta and eastern British Columbia, and their post-glacial origins. 1. The families Rhyacophilidae and Limnephilidae. Supplement 1. Quaestiones Ent, 13(1) 1977: 25-65,illust.