XIII. Gyrophaena (Gyrophaena) bihamata species group

23. Gyrophaena (Gyrophaena) uteana Casey, 1906: 292 (CANADA: British Columbia, New Brunswick, and Quebec; UNITED STATES: California, Colorado, and Utah) .

Gyrophaena pacifica Casey, 1906: 293 .

24. Gyrophaena (Gyrophaena) gaudens Casey, 1906: 292 (CANADA: New Brunswick, Ontario, and Quebec; UNITED STATES: Illinois, Indiana, Massachusetts, Michigan, Pennsylvania, and Wisconsin) .

25. Gyrophaena (Gyrophaena) flavicornis Melsheimer, 1844: 31 (CANADA: New Brunswick, Nova Scotia, Ontario, and Quebec; UNITED STATES: District of Columbia, Illinois, Indiana, Kentucky, Maine, Massachusetts, Michigan, New Hampshire, North Carolina, Maryland, New Jersey, New York, Pennsylvania, Rhode Island, Tennessee, Vermont, Virginia, Wisconsin, and West Virginia) .