Pseudopsinae

Pseudopsinae is a beetle subfamily of Staphylinidae.

Anatomy

 * longitudinal carinae or costae on the head, pronotum, elytra, and sometimes head.
 * fine stridulatory file one either side of the genital segment.
 * tarsi 5-5-5, one species 3-3-3.

Ecology

 * Habitat: found in fungi, forest leaf litter, flood debris, moss along streams, dung, and mammal nests.
 * Collection Method: sift/Berlese leaf litter.
 * Biology: poorly known.

Systematics
Four genera and 12 species in North America.