nigricans Hoshina & Satô, 2006 Armostus nigricans Hoshina & Satô, 2006: 97 . – Japan, Ryukyu Islands, Tokara Island Group, Nakanoshima Island.

Distribution. Japan (Ryukyu Islands), South Korea (HOSHINA & SATÔ 2006, HOSHINA & CHO 2008).