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) Author Perkins, Philip D. text Zootaxa 2023 2023-11-07 5367 1 1 86 https://www.mapress.com/zt/article/download/zootaxa.5367.1.1/52225 journal article 10.11646/zootaxa.5367.1.1 1175-5334 10145106 5A1E5321-D2BA-4B92-BA23-A7C1CDBA5723 Ochthebius ( Gymnochthebius ) nitidus LeConte ( Fig. 37 ) Ochthebius nitidus LeConte, 1850: 217 The following collection/deposition data include the first records for Oklahoma , the southernmost known locality. The species distribution is principally trans-Canadian, northern and especially northeastern U.S.A. , and south to Oklahoma . The data also include a new depository for identified specimens of this species. New records: U.S.A. : Missouri , Boone , Ashland Wildlife Ar. , 7.x.1976 , leg. E. G. Riley (1 TAMU ) ; same locality, 13.x.1976 , leg. E. G. Riley (15 TAMU ) ; Oklahoma , Latimer Co. , 5 mi. W. Red Oak , 1.v.–1.xii.1980 , leg. K. H. Stephan (5 MCZ ) ; same locality, 1–30.v.1982 , leg. K. H. Stephan (2 MCZ ) .