Phylum: Arthropoda
Class: Insecta
Order: Coleoptera (Beetles)
Family: Scarabaeidae  (Scarab Beetles)
Subfamily: Dynastinae (Rhinocerous Beetles)

Genus/species: Chalosoma caucasus

GENERAL CHARACTERISTICS: Males have large curved horns which are used when fighting other males for a female. The smaller females do not have horns but are covered with fine tiny hairs called setae. The male female differences are an example of sexual dimorphism.

It is the largest of the genus Chalcosoma and one of Asia’s largest beetles. Length up to 90–120 millimetres (3.5–4.7 in)

DISTRIBUTION: Found from Malaysia south into Indonesia

DIET IN THE WILD: Feed on compost from decaying logs and wood.

REPRODUCTION: Larvae emerge from eggs and grow through 3 instar stages, then a pupal stage in a papery covering (7.5 inches in length) followed by emergence of the beetle after several months


California Academy of Sciences Rainforest 2017 Vetting Tim Wong



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