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Photo#88757
Fly

Fly
Fitchburg, Worcester County, Massachusetts, USA
November 26, 2006
Size: About 0.25 inches

Images of this individual: tag all
Fly Fly Fly

Moved
Moved from Muscoidea.

Moved
Moved from Flies.

flies
Does anybody know what that white thing is just behind the middle leg?

 
Haltere.
I believe that is the club-shaped end of the 'haltere,' one of the paired appendages that once, in the evolutionary history of flies, were the second pair of wings.

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