Key Identification Features
- The elytra bear four indistinct raised costae, their surfaces have fine, not very densely spaced punctures, and each puncture contains one scale-like hair.
- When treated as a distinct species separate from its close relatives Osmoderma barnabita, O.
- 43 in) wide across the shoulders, giving it a distinct appearance.
- Chalcosoma atlas, commonly called the Atlas beetle, is notable for its large size, similar to other beetles in the genus Chalcosoma.
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