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Photo#187662
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Assunpink WMA, Monmouth County, New Jersey, USA
June 1, 2008
Size: Small

Images of this individual: tag all
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Moved
Moved from Lasiopteridi.

Moved
Moved from Gall Midges.

Lasiopterini
Tam, This fly fits the tribe Lasiopterini (Cecidomyiidae). Short, tightly compressed flagellomeres, black and white scale patterened abdomen, and the white spot on the wing at the juncture of the R5 vein. The genus is probably Lasioptera, but would need a slide mount to confirm it.

 
How to distinguish Alycaulini?
How can you distinguish Lasiopterini and Alycaulini from photos?

 
Lasiopterini vs Alycaulini
John, my thinking on this specimen is that it is a Lasioptera sp. I base it on the characters I described and also the shape of the abdomen, which is long and slender. If I had a female slide mounted I would be looking for the "hooked setae" on the cercus. In contrast, species in Neolasioptra,Asteromyia and Chilophaga (Alycaulini) all have shorter and broader abdomens and the setae on the female cercus are straight not hooked. But, again a slide mounted specimen would verify its acurate identity.

Moved
Moved from Gall Midges.

Moved

Moved
Moved from Flies.

Not an ID but maybe
Bibionomorpha. Please wait for an expert to comment.

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