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Under a large rotting eucalyptus log. Each adult beetle was about 35mm long. Larvae were slightly longer. One adult was black and the other was a red-brown but otherwise they appeared identical from above. ?
Under timber in suburban back yard.
This spotting is possible evidence that this species might show variable colours? Random or sexual dimorphism?
Two important ID features here are split elytra (flight capable) and a short, grooved, upward curved, blunt facial horn.
Also this is a great page of inputs re Bess beetles vs. 'Horned passalids" http://www.whatsthatbug.com/category/bee...