Appearance''Chalcosoma atlas'', like other beetles of the genus ''Chalcosoma'', is remarkable for its size, that can reach a length of about 25–60 millimetres in the females. As common in some Scarabaeidae, the males are larger than the females, reaching a length of about 60–130 millimetres . The males have specialised horns on the head and thorax that they use to fight with each other to gain mating rights with females. The Atlas beetle differs from other ''Chalcosoma'' species in the end of the cephalic horn of the Atlas, which is broadened.
Naming*''Chalcosoma atlas atlas''
⤷ ''Chalcosoma atlas butonensis'' Nagai, 2004
⤷ ''Chalcosoma atlas keyboh'' Nagai, 2004
⤷ ''Chalcosoma atlas mantetsu'' Nagai, 2004
⤷ ''Chalcosoma atlas simeuluensis'' Nagai, 2004
⤷ ''Chalcosoma atlas sintae'' Nagai, 2004
DistributionThis species can be found in southern Asia, especially Indonesia.
ReproductionThe larva of the Atlas beetle is known for its fierce behavior, including biting if touched. Unverified reports exist of larvae that live together fighting to the death if there's not enough space or food.
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