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 ( Hydraenopsis ) crystallina Perkins Hydraena crystallina Perkins 1980: 155 The new record below documents a new locality, a new depository for the species, and the first state record for Mexico , Mexico . The presently known distribution of this rarely collected species is restricted to Jalisco and Mexico , Mexico ; only 20 identified specimens are currently deposited in museum collections. New records: Mexico : Estado de México , Temascaltepec , Real deArriba, 21.iv.2004 , 19°02’22’’N , 99°59’58’’W , 1950 m , R. Arce col. (4 IEXA ) .