Habitats of Holorusia mikado (Westwood, 1876). A. Small spring with loose, gravelly soil rich in detritus in Japan, Kochi Pref., Tosa, Higashiishihara, alt. 705 m, 33°41.74'N 133°26.51'E; B. Drainage ditch at the side of a mountain road with accumulated litter; C. Bank of stream with accumulated litter in Japan, Yamagata Pref., Oguni, Arakawa River Valley, alt. 340 m, 38°11.56'N; 139°48.2'E. Yellow arrows indicate exact locations where larvae were collected.