Hydraena (Holcohydraena) ancylis Perkins

Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 61

Hydraena (Holcohydraena) ancylis Perkins

Hydraena ancylis Perkins 1980: 99

The new records below document new localities, including first records for Arkansas and Oklahoma, and a new depository for identified specimens of this species. The known distribution of this species is from Maryland west to Indiana, Arkansas, Missouri and Oklahoma, then south to Louisiana and southeasternmost Texas.

New records: U.S.A.: Arkansas, Pulaski Co., Little Rock , 28.v.2001, leg. Brian Baldwin (1 BBC) ; North Little Rock , 23.vii.1981, leg. W. E. Steiner (1 MCZ) ; Louisiana, Bodcau Wdlf. Mgt. Ar. , (32°42’N, 93°30’W), 20.v.1996, leg. E. G. Riley (2 TAMU) ; Morehouse Parish [no other data] (1 MCZ) ; Oklahoma, Latimer Co., [no locality given on label], 1.ii.–30.vi.1982, leg. K. H. Stephan (5 MCZ) ; [no other data], 1–28.ii.1982, leg. K. H. Stephan (2 MCZ) .