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Black Stilt-legged Fly - Mimegralla australica

Family Micropezidae

This page contains pictures and information about Black Stilt-legged Flies that we found in the Brisbane area, Queensland, Australia.
 
Body length 12mm
 
Flies in this family have very long legs, although the front pair is usually shorter. Their body is slender with patterned wings. They usually mimic either wasp or ant. This Black Stilt-legged Fly is black in colour with two write strips on each wings. All legs are black except the smaller front pair with write tips. 
 
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This fly was found near a small pond in Yugarapul Park. It was walking around on a large leaf seems looking for something. It kept flicking its wings and front pair of legs, trying to convince us that it were a black wasp or ichneumonid wasp
 
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The larvae live in decaying wood and other vegetable matter. 
 
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We found them a few times, usually on board leaves low above ground. 
 
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The larvae live in decaying wood and other plants matter.  
 

Reference:
1. Insects of Australia - CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, p773, Fig.39.29A.
2. Northern Territory Insects, A Comprehensive Guide CD - Graham Brown, 2009. 
3. On the Fly, The Interactive Atlas and Key to Australian Fly Families CD Rom - Hamilton, J. et al. 2006. Brisbane : CBIT & ABRS. 
4. Review of the Australian stilt flies (Diptera : Micropezidae) with a phylogenetic analysis of the family - David K. McAlpine, 1998, Invertebrate Taxonomy 12(1) 55 - 134. 
5. Mimegralla australica - Insects of Townsville, Australia - Graeme Cocks, 2004.

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Last updated: January 28, 2013.