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Photo#454290
Cecidomyiidae, hardened gall - Asphondylia helianthiglobulus

Cecidomyiidae, hardened gall - Asphondylia helianthiglobulus
Ames - Tullamore, Story County, Iowa, USA
September 10, 2010
Stem gall on Helianthus grosseserratus, sawtooth sunflower, collected 26-Aug-2010.
First flies emerged about 7-Sep-2010.