Odontolabis dalmani

Odontolabis dalmani is a species of beetles belonging to the family Lucanidae.

Description
Odontolabis dalmani can reach a length of about 40 - 100 mm. The basic colour is dark brown, with a fine pubescence. The large mandible of males are used to wrestle each other for mating or food. These beetles are nocturnal. Adults feed on tree sap and decaying fruits. The life cycle lasts about 22 – 26 months.

Distribution
This species can be found in Tenasserim Island, Malayan Peninsula, Borneo, Sumatra and Java.

Etymology
The species is named to honour the Swedish entomologist Johan Wilhelm Dalman.