Dorcus

thumb|Dorcus alcides thumb|Dorcus ternatensis

Dorcus is a genus in the stag beetle subfamily Lucaninae and typical of the tribe Dorcini. Of the over 100 species, most occur in Asia and India; two are found in Europe, and two species are from North America. Previously, specimens with serriform teeth on the mandibles and sable pigment were called Serrognathus whereas specimens with but a singular or multiple bulky notches on the mandibles and lustrous sable pigmentation were called Dorcus.