They are found in Japan and Asia.
They live in leafy forests in the tropical and subtropical mountains.
Males can be up to 4" long and have two large horns. Females are plain brown beetles. They are scarab beetles.
The horns are used by the males to compete for mates.
Grubs (larvae) eat rotten wood. Adults eat tree sap, rotten fruits and sometimes leafstalks and bark.
Females lay eggs in rotten wood and young, called grubs, (larvae) hatch out in about 3 weeks and feed on wood.
Species: A. dichotoma
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