Hydraena (Holcohydraena) circulata Perkins
(Fig. 37)
Hydraena circulata Perkins 1980: 74
The new records below document new localities and two new depositories for identified specimens of this species, which is widely distributed throughout western North America.
New records: Arizona: Navajo Co., Forestdale, 3–4.vii.1981, leg. C. N. McKinnon (3 TAMU) . California: Tehama Co., Cone Grove Park, 7 mi. SE Red Bluff, 9.v.1984, leg. D. S. Chandler (3 UNH) . Colorado, Boulder, Boulder; Boulder Canyon, 24.ix.1977, leg. C. N. McKinnon (8 TAMU) .