Piestinae

Piestinae are a subfamily of Staphylinidae.

Anatomy

 * Body elongate and depressed, abdomen parallel-sided.
 * Antennae inserted under shelf-like corners of frons
 * Tarsi 5-5-5

Ecology

 * Habitat: many species under bark of decaying trees.
 * Collection method: barking.
 * Biology: some are saprophages or mycophages.

Systematics
Piestinae includes three genera and five species in North America. These three genera belong to the subfamily: Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net
 * Hypotelus Erichson, 1839 i c g
 * Piestus Gravenhorst, 1806 i c g b
 * Siagonium Kirby & Spence, 1815 i c g b