Ischnus yezoensis (Uchida, 1936)

Habrocryptus assimilis f. yezoensis Uchida, 1936b: 41 .

Specimens examined. JAPAN: KPM-NK 69443– 69449, 7 F, Niigata Pref., Sado Is., Kanaishinpo, Mt. Hakuundai to Mt. Myokenzan, 4. VIII. 2009, K. Watanabe leg.

Distribution. Japan (Hokkaido, Rishiri Is., Kunashiri Is., Etorofu Is., Honshu and Sado Is.*).

Remarks. This is the first record of this species from Sado Island.