Euaesthetinae

Euaesthetinae
Euaesthetus sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Staphyliniformia
Superfamily:	Staphylinoidea
Family:	Staphylinidae
Subfamily:	Euaesthetinae Thomson, 1859

The Euaesthetinae are a subfamily of the Staphylinidae (Coleoptera). These rove beetles have slender antennae with two or three apical antennomeres forming a loose club. The tarsi have 4-4-4 or 5-5-5 (5-5-4 in some exotic genera) segments. They are found in forest litter. Five genera and 22 species known from North America.

Euaesthetus sp.

Edaphus sp.

...
Wikipedia