Abstract
Twenty five species and 8 taxa identified to genera of stoneflies belonging to the families of Chroloperlidae, Taeniopterygidae, Leuctridae and Nemouridae were listed basing upon the Tanida collection deposited in Osaka Museum of Natural History. Mesyatsia imanishii, Nemoura stratum, Paraleuctra ambulanace and Protonemura towadensis were mostly collected on snow from winter to early spring.