Dorcus titanus, also known as the Giant Stag Beetle, is a beetle of the Family Lucanidae. Males measure 32.0-111.3 mm including mandibles; females 36.5-54 mm. It has an elongated, somewhat flat body dull black with blackish antennae and legs. Male’s antler-like jaws have small teeth along inner edge and a pair of big teeth toward the bottom, and...