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Acacia Shield bug - Alcaeus varicornis

This page contains pictures and information about Acacia Shield Bugs that we found in the Brisbane area, Queensland, Australia.
 
Body length 20mm
 
This genera resemble the Poecilometis genera, however, its front wings membrane veins is reticulate instead of linear. There are four species in this genera, we found one species in Brisbane.  
 
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Pictures taken in Alexandra Hill on mid summer. This bug was very hard to be noticed on the Acacia tree trunk because of its camouflaged colour. 
 
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In later summer March 2005, we found them on almost every large Acacia tree trunk along Bulimba Creek in Wishart. We also found some of them in pairs facing with each others. 
 
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Nymph ?

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Body length 8mm
 
Pictures taken in Karawatha Forest during mid summer. The bug instars was wandering on grasses. We are not sure if this is the nymph of the Acacia Shield Bug.

Reference:
1. Stink Bugs of Australia - FaunaKeys,  Australian Museum online 2003.
2. Insect Reference Collection Database - Department of Agriculture Western Australia 
3. Alcaeus varicornis - Australian Biological Resources Study, Department of the Environment and Heritage, Commonwealth of Australia 2005.
4. Alcaeus Dallas, 1851 - by Gerry Cassis, Emma Betts and Michael Elliott, Stink Bugs, Fauna Net, Australian Museum 2002
5. Plant-feeding and Other Bugs (Hemiptera) of South Australia. Heteroptera-Part II - Gross, G.F. (1976). Adelaide: A.B. James, p281.

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Up ] [ Genera Alcaeus ] Genera Dippilana ] Genera Theseus ] Genera Poecilometis ] Genera Anchises ] Genera Bathrus ] Genera Accarana ] Genera Austromalaya ] Genera Platycoris ]

 

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Last updated: April 21, 2008.