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rhinocerus beetle

Scientific Name
Haploscapanes barbarossa
Scientific Author
(Fabricius)
Taxonomy
(Coleoptera: Scarabaeidae: Dynastinae)

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Lateral view - male

Diagnostic Notes

Adult male body length c. 55-60mm; female body length c. 45-50mm

The two closely related species may be separated as follows:

Haploscapanes australicus: Male head with two large dorsal horns projecting forward, distance between horns greater than half the pronotum width, area between horns rounded; large backwardly pointing frontal horn with inner tooth; Female pronotum mesially with large irregular, wavy grooves, grooves touching each other so that general surface dull.

Haploscapanes barbarossa: Male head with two small dorsal horns projecting forward, distance between horns less than half the pronotum width, area between horns distinctly concave; large backwardly pointing frontal horn without inner tooth; Female pronotum mesially with large irregular, wavy grooves, grooves not touching each other so that general surface is shining.


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