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 Hydraena ( Holcohydraena ) nigra Hatch Hydraena vandykei niger Hatch, 1965:20 The new record below documents a new locality and a new depository for identified specimens of this species, which is found in the Sierra Nevada Mountains of California south to the San Gabriel Mountains and north to southern Oregon , and in the Rocky Mountains from southern British Columbia south to New Mexico . Identified specimens deposited in museum collections now number 118 . New record: Utah , Cache Co. , Tony Grove Canyon , 30.vii.1974 , leg. G. f. Knowlton (1 UGCA ) .