- This page contains pictures and information about Cockroaches in family Blaberidae that we found in the Brisbane area, Queensland, Australia.
- Nymph body length 5mm, doing the 'play
dead' trick to cheat predators
- Cockroaches in this family has shorter legs. They are from medium to large
in size. Most of them are dull brown to dark brown in colours. The antenna
are relatively short, usually less than half of body length. Their cerci are very short or
absent. Most of them live just under
ground covers and slow moving. They do produce ootheca but give birth to live young.
- Surinam cockroach
- Pycnoscelus surinamensis, body length
- We sometimes find this dark brown cockroach wandering on grass during day time
and night time. They are active at night. They are mahogany brown to black without any type of pattern.
They are abundant outdoors in tree holes and wood logs. They prefers moist,
dark and warm area. This is an introduced species. More information and pictures please click in here.
Subfamily EPILAMPRINAE - Flat Cockroaches
- Bark cockroach, Flat
- Laxta tillyardi or L. granicollis, female body length 25mm, nymph 15mm,
Photo: Keith Power, Toowoomba
- Bark Cockroach does not looks like a cockroach but resemble a
Trilobite. They are extremely flattened which is the adaptation of living
under loose bark. Adult females are wingless while males are either
short-winged or full-winged. Please check this page
for more information.
- Mottled Cockroach
- Molytria inquinata, body length 20mm
Subfamily PANESTHIINAE - Wood Cockroaches
- Australian Wood Cockroach, Wood-boring Cockroach
- Panesthia cribrata, adult body length
Nymph, body length 5mm
- This cockroach has strong dark brown body and short spiny legs. They can be
found under fallen rotten logs. They live in and feed on decaying wood that
they burrow into. They are easily found in Eucalyptus forests in Brisbane. More pictures and
information can be found in this page.
- 1. Insects
of Australia, CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, p320.
- 2. Grasshopper
Country - the Abundant Orthopteroid Insects of Australia, D Rentz,
UNSW Press, 1996, p211.
- 3. Northern
Territory Insects, A Comprehensive Guide CD - Graham Brown, 2009.
- 4. Family BLABERIDAE - A.M.E. Roach & D.C.F. Rentz, CSIRO Entomology, Australian Faunal Directory, Australian Biological Resources Study.
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