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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
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Photo#10573
Giant Bark Aphid - Longistigma caryae

Giant Bark Aphid - Longistigma caryae
Fort Bragg, Cumberland County, North Carolina, USA
November 12, 2003
Very large as aphids go....I thought it was some sort of fly for the longest time.

Moved
Moved from Aphids.

I can see why you thought it was a fly!
One sure test for flies is to do a wing count. They always only have one pair. The second pair are reduced to a set of odd looking structures called halteres.

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