Orange Black Stink Bug


Brown Long-headed Shield Bug - Austromalaya reticulata

Family Pentatomidae

This page contains pictures and information about Brown Long-headed Shield Bugs in genera Austromalaya that we found in the Brisbane area, Queensland, Australia.

Body length 20mm
We found this bug a few times in Karawatha Forest during mid summer. They were either resting on a tree trunks or on leaves. We thought this was a shield bug species that we commonly saw. We found out it was not so common when we looked at the pictures at home. This shield bug looks very similar to the Gum Tree Shield Bug, which is common in Brisbane Eucalyptus forest.
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Because those difference species of Shield Bugs look so similar and live in the same environments, we believe they may have form a Mullerian mimicry complex.
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This Stink Bugs were also found in Wishart near the Bulimba Creek during early summer. 
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This stink bug has the longest head that we found. We call it Brown Long-headed Shield Bug.
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This bug usually found resting on rough bark trees, seldom found on smooth bark trees. 
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1. FaunaKeys - Stink Bugs of Australia,  Australian Museum online 2003.
2. Austromalaya reticulata - Australian Biological Resources Study, Department of the Environment and Heritage, Commonwealth of Australia 2005.
3. Insect Reference Collection Database - Department of Agriculture Western Australia 

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Last updated: August 08, 2010.