Long-tailed Wasp
Blue-eyed Hatchet Wasp
Yellow-antenna Hatchet Wasp
White-dotted Hatchet Wasp
Round-headed Hatchet Wasp 
Gasteruptiid Wasp
Small Gasteruptiid Wasp 


Gasteruptiid Wasp - Gasteruption sp.

Family Gasteruptiidae

This page contains pictures and information about the Gasteruptiid Wasps that we found in the Brisbane area, Queensland, Australia.
Body length 25mm
We sometimes see something long and thin, hovering near tree log moving forward and backward very quick. It is so quick that we cannot recognize what they are. They are the Gasteruptiid Wasp checking if there are the bee or wasp nests that they can lay eggs on. 
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The wasp was resting upside-down on a dry grass, advertising its white tip. 
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This wasp has the extraordinarily long ovipositor with white tip. We saw it once in Karawatha Forest on May 2007. 
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They are known to parasite on solitary bee and wasp nests which may be in decaying logs, mud cells or in soil. Larvae consume the host egg or larvae and then the pollen or prey stored.
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The wasps in this family are thin and long, They rest with fore wings fold longitudinally. They are usually black or black with brown in colours, tip of ovipositor is often white and as long as body.  

1. Insects of Australia - G Hangay and P German. New Holland. Publishers, 2000, p116.
2. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, pp 942.
3. Northern Territory Insects, A Comprehensive Guide CD - Graham Brown, 2009.
4. What wasp is that? - An interactive identification guide to the Australasian families of Hymenoptera, 2007. 

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Last updated: September 14, 2012.