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Order
Diptera
- This page contains pictures and information about Small-head Flies that we found in the Brisbane area, Queensland, Australia.
Flies in this family are also known as Bladder flies.
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- Flies in this family are also known as Bladder flies for they have
the swollen, bladder-like thorax and the small head.
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- Bladder Fly
 - Ogcodes (Oncodes) sp., body length 6mm
- We found this fly once in Carbrook Wetland on Sep 2009. The fly was
resting on a large gum tree trunk about 0.5 meter from ground. It was steel
blue in colour with scout body. Its small head was entirely covered by its
compound eyes. Its legs were all white in colours. When we came too closely,
it flied to the other side of the tree trunk. Although its wings were
relatively small comparing with it body, it was a good flier just like a
normal fly. Please check this page for more
information.
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- Small-head Fly 2
 - Ogcodes sp., body length 5mm
- Gerard advised that: for sure an Acrocerid, so family Acroceridae. Larvae are parasites in spiders!
We found this fly when it was resting on leaf next to a empty pupa case
which was attached by silk next to a empty spider nest.
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- Reference:
- 1. Insects
of Australia - CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, p755.
- 2. Insects of Australia and New Zealand - R. J. Tillyard, Angus
& Robertson, Ltd, Sydney, 1926, p360.
- 3. On
the Fly, The Interactive Atlas and Key to Australian Fly Families CD Rom
- Hamilton, J. et al. 2006. Brisbane : CBIT & ABRS.
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