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Hello,

Yesterday I found this fly on a poplar.
The trees were in water because of the floods and of much of insects took refuge in the bark.

I thought of a bad development of the wings by seeing the 1st specimen, I didn't capture him, but by finding the second I said myself that it was perhaps apterous. Coincidence ?

Hipposboscidae, Nycteribiidae, Streblidae ???
I do not know an other family with individuals without wings.

bad development of the wings ? apterous ?
4 mm
Tonnay-Boutonne (17)
09-III-06

Thanks ;)