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Cecidomyiidae - Rhopalomyia anthophila - male

Cecidomyiidae - Rhopalomyia anthophila - Male
Ames, Story County, Iowa, USA
September 25, 2009
Size: 2+ mm
I've had 5 of these emerge from the Solidago flower galls plus 2 that look different (females maybe). But I do not know for sure that these are Rhopalomyia anthophila. (I also have some pupae photos but I really don't know what's what with them.)

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Cecidomyiidae - Rhopalomyia anthophila - male Rhopalomyia anthophila  - Rhopalomyia anthophila - male