Odontolabis dalmani is a species of beetles belonging to the family Lucanidae.
Description Odontolabis dalmani can reach a length of about . 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.
References Biolib Universal Biological Indexer Hallan, Joel - Synopsis of the described Coleoptera of the World World Field Guide