Ochthebius (s.str.) obscurus Sharp

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 : 78

Ochthebius (s.str.) obscurus Sharp

Ochthebius obscurus Sharp, 1882: 92

The new records below document new localities and new depositories for identified specimens of this rarely collected species, including a first record for Texas. The data raises the number of known specimens in collections from seven to 15. This species is presently known from Texas and the states of Guanajuato, Hidalgo and Mexico, Mexico.

New records: Mexico: Mexico, Temascaltepec , 6–7.iv.1993, leg. J. L. Navarrete & G. A. Quiroz (7 U. of Guadalajara; MCZ); U.S.A.: Texas, Jeff Davis Co., Davis Mts. Resort, upper Limpia Creek Cyn. , (30°38’N, 104°8’W), 5.viii.2000, leg. E. G. Riley (1 male TAMU) .