Ma. Jach, DESCRIPTIONS OF NEW SPECIES OF HYDRAENIDAE (COLEOPTERA) FROM TEXAS, INDIANA AND OKLAHOMA, WITH FAUNISTIC AND TAXONOMIC NOTES ON THE FAMILY IN TEXAS, The Coleopterists bulletin, 48(4), 1994, pp. 301-308
Hydraena dinosaurophila from Texas and Hyraena indiana from Indiana an
d Oklahoma are described as new to science. Hydraena marginicollis Kie
senwetter and Ochthebius spanglerorum Perkins are newly recorded from
Texas. A lectotype is designated for Hydraena marginicollis Kiesenwett
er. Gymnochthebius falli Perkins, 1980 is synonymized with Gymnochtheb
ius fossatus (LeConte, 1855).