| Reference no. | Takeda, M. and K. Iwasaki, 1983 |
| Ecosystem | Temperate Northern Pacific |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Known from Nakama-gawa River, Iriomote Island (Ref. 85142) and Ryukyus Islands (Ref. 85143). C: Refs. 85142, 85143. |