Pseudorthocladius akanseptimus Sasa & Kamimura 1987

Sasa & Kamimura 1987. Studies on the chironomid midges of lakes in the Akan National Park, Hokkaido. Chironomid midges collected on the shore of lakes in the Akan National Park, Hokkaido (Diptera, Chironomidae). Research Report from the National Institute for Environmental Studies Japan, No. 104 1987: 9-61