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Shield Bugs - Tribe Halyini 

The bugs in the tribe Halyini have the typical shield shape body. They are usually from brown to dark brown in colour, with triangular-shaped scutellum. 
 
 
 
There are quite a number of different genera Halyini shield bugs in Brisbane Eucalyptus forest.  Most of them are the typical shield-shaped and look similar. They include the genera Poecilometis, Dippilana, Anchines, Bathrus, Alcaeus, Accarana, Platycoris, Theseus and Austromalaya.
 
Following listed the bugs in this tribe we found in Brisbane so far; 
 
Genera Poecilometis - Poecilometis stink bugs can be distinguished from other similar genera by  wings longer than abdomen, with wing veins linear and mostly subparallel, and they have five antennal segments.
 
Genera Dippilana - looks similar to Poecilometis, but can be distinguished by the presence of four (appearing as five) antennal segments.
 
Genera Anchises - looks similar to Poecilometis, but can be distinguished by the wing veins. There is only one Australian species in Genera Anchises.
 
Genera Bathrus - The bug looks similar to Poecilometis, but can be distinguished by the wing vein. There is only one Australian species in Genera Bathrus
 
Genera Alcaeus - This genera resemble the Poecilometis genera, however, its front wings membrane veins is reticulate instead of linear. There are four species in this genera.
 
Genera Accarana - There is only one Australian species in Genera Accarana. The bug was brown in colour with metallic green spots on connexiva. 
 
Genera Platycoris - The stink bug has a round and thick body, brown in colour with typical stick bug colour pattern. There is eight Australian species in Genera Platycoris.
 
Genera Theseus - We found one species in this genera. This species looks very similar to the Shield Bug in genera Poecilometis except with wings shorter than abdomen and the wing veins are different.
 
Genera Austromalaya - This shield bug looks very similar to the shield Bug in genera Poecilometis. We distinguished it by its wing veins.  
 

Reference:
1. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, pp 508.
2. Stink Bugs of Australia - FaunaKeys,  Australian Museum online 2003.
3. Halyini - Australian Biological Resources Study, Department of the Environment and Heritage, Commonwealth of Australia 2005.
4. Genera of Pentatomidae - The University of Queensland Insect Collection, 2004

 

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Last updated: December 21, 2005.