Elytra long, covering first visible abdominal tergite.
Tarsi 5-5-5 in NA, 4-4-4 in some southern hemisphere taxa.
Megarthrus americanus
Proteinus sp.
Ecology
Habitat: found in fungi, under bark, in decaying vegetation, forest leaf litter.
Collection method: sift/Berlese leaf litter.
Biology: saprophages or mycophages.
Systematics
Two genera and 22 species in North America.
References
^Newton, A. F., Jr., M. K. Thayer, J. S. Ashe, and D. S. Chandler. 2001. 22. Staphylinidae Latreille, 1802. p. 272–418. In: R. H. Arnett, Jr., and M. C. Thomas (eds.). American beetles, Volume 1. CRC Press; Boca Raton, FL. ix + 443 p.