The materials on which the present information is based were collected by Dr. Hisashi Abe and Mr. Tsuneaki Kobayashi of the Zoological Institute, Faculty of Agriculture, Hokkaido University in the area of Mt. Hakkoda, one of the main IBP Areas of the JIBP-CT Section, in August 1967. These materials are classified into eleven species, one of which is new to Honshu.
