This paper provides a key for larvae of six species of genus Rhyacophila (including their characteristics of forms, structures and distributions) from Changbai Mountian: Rhyacophile hokkaidensis Iwata n. rec., Rh. narrvae Navas n. rec., Rh. yamanakensis lwata n. rec., Rh. impar Martynov n. rec., Rh. retracta Martynov and Rh. lata Martynov.
