The species of the genus Odontolabis are large (males up to 9 cm), oblong and shiny. Usually males have more or less enlarged head and jaws. The head and the
pronotum usually are black, while
elytra are often more or less brownish or yellowish. In some species the shape of the male's jaws have several different forms (
polymorphism). The species of this genus are native to
Southeast Asia. == List of selected species ==