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Xylotrupes gideon

Image of Xylotrupes gideon

(Rhinoceros Beetle)




Xylotrupes gideon

Common name

Rhinoceros Beetle

Main colour



4-6 cm long


Cairns, Townsville


These large, up to 6 cm long, black to dark brown beetles, which are chiefly nocturnal, are most commonly observed in the summer months, particularly around lights. The male is a shiny black with forked horns on head and thorax. The female is a matt black and lacks the horns. Adults make a hissing noise when disturbed. And feed on the soft bark of trees. Mature larvae to 5 cm long are greyish with a dark brown head and are curled into a semi-circle. Usually found in compost or decaying plant material.

Additional image

Image of female Xylotrupes gideon

Female Xylotrupes gideon