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Family Passalidae
- This page contains information and pictures about Brown Bess Beetles that
we found in the Brisbane area, Queensland, Australia.
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 - Body length 30mm
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- We found this group of Bess Beetles when we accidentally open a rotten
log. There was a moist area just next to a small creek in Venman Bushland on
Sep 2011. There were a dark brown adult, four to five brown adults and three
to four large larvae living in the chamber of the rotten wood. There were
also two earth worms.
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- They are shiny, dark brown and brown in
colours with body parallel-sided. Wing-covers have parallel grooves along.
There is a narrow waist between prothorax and elytra, scutellum is not
visible.
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Passalid Larvae
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- Larvae look similar to Scarab
larvae, are grub-liked but not in c-shaped, always live in concealed habitats, sluggish, cylindrical, with a
well-developed head.
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- Reference:
- 1. Insects
of Australia, CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, p 627.
- 2. Insects of Australia and New Zealand - R. J. Tillyard, Angus
& Robertson, Ltd, Sydney, 1926, p226.
- 3. Beetles of Australia - Trevor J Hawkeswood, Angus & Robertson Publishers, 1987,
Plate 48.
- 4. Passalidae
- Australian Biological Resources Study, Department of the Environment, Water, Heritage and the Arts, 2008.
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