Hydraena angulicollis Notman 1921: 146
The new record below documents a new locality and the first record for Alaska. This species is the only Hydraena with a trans-Canadian distribution, ranging from Alaska, Denali State Park to Fort Simpson, Northwest Territories in Canada and southeastward to Maryland.
New record: U.S.A.: Alaska, Denali State Park, Byers Lake, 26.vi.1978, leg. A. Smetana & E. Becker (3 MCZ).