2. Ataenius cognatus (Le Conte) .

Euparia cognata Le Conte, Phila. Nat. Sci. Acad., Proc., 65, 1858.

Ata.enius cognatus (Le Conte) Gemminger and Harold, Coleopt. Catalog. (4): 1066, 1869.

Piti, July 27, Sept. 14, in corn field, Sept. 21, in cow clung, Swezey .

Dr. Chapin says that it may not be this species, as several species are involved in what has been called cognatus . Only a few specimens were collected in Guam.