Atlas Beetle

Chalcosoma atlas (Linnaeus, 1758) belongs to Scarabaeidae, subfamily Dynastinae. [1][4]

The museum’s male has a glossy dark head, thorax and wing covers with a subdued bronze-green reflection. One horn curves upward from the head; two thoracic horns project forward above it. Smaller males carry proportionally different weapons. [2][3]

The species inhabits Southeast Asian rainforest. A Field Museum male documents its occurrence on Sulawesi, Indonesia. [2][4]

Larvae feed within decaying logs. Adults take tree sap and juices from decomposing fruit. [2]

Males use the head and thoracic horns during contests with other males. [2]

An analysis of 42 males found two scaling patterns: head horns lengthened steeply with prothorax width in short-horned males and more slowly in long-horned males. [3]

Keep the enclosure closed and display it in indirect light, away from heat and damp conditions. Handle the frame by its edges and clean only its exterior according to the maker’s instructions.