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Yellow Tangle-veined Flies - Trichophthalma sp.

Family Nemestrinidae 

This page contains pictures and information about Yellow Tangle-veined Flies that we found in the Brisbane area, Queensland, Australia
 
Body length 15mm
 
The fly is golden yellowish-brown in colour, with large pointy abdomen. Its body is covered with short hairs. Its large pair of dark red compound eyes covered most of its head. It has the long mouth parts. Its pair of wings is tinted in brown.   
 
PWC_8102.jpg (75509 bytes) PWC_8098.jpg (101874 bytes) PWC_8101.jpg (106038 bytes)
 
At first sight in the field we thought this was a Beefly. Went back home and looked at the photos, from its complex wing veins, we recognized it was a Tangle-veined Fly.   
 
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We found this fly once in Daisy Hill near Buhot Creek during mid summer Dec 2008. 
 
PWC_8116.jpg (60129 bytes) PWC_8117.jpg (63245 bytes) PWC_8099.jpg (60216 bytes)
 
This fly did not mind we came very close. It were hovering most of the time above short plants. Sometimes even hovering still in the air for s few seconds. Its landed on plants for one or two seconds then hovering again.
 
 

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. A review of Australian Nemestrinidae (Diptera) -SJ Paramonov, Australian Journal of Zoology 1(2) 242 - 290, CSIRO 1953. 

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Last updated: September 29, 2009.