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This
family of beetles flourishes in the more arid environments of the
country and all species in Australia belong to the genus Omorgus.
Trogidae beetles are recognisable as being very robust looking with
a roughly sculptured appearance consisting of numerous small knobs
on their elytra. Trogidae are usually dull coloured beetles ranging
from brown to black and have a body length from 6 to 25 millimetres
depending on the species. The head of these beetles is bent downwards
and covered by the pronotum.
Both
adults and larvae feed on dry animal remains, with the larvae living in
vertical burrows in the soil beneath the carcass. This group is one of
the last in a succession of insects that invade animal carcasses.
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