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Photo#454287
Asphondylia helianthiglobulus  - Asphondylia helianthiglobulus

Asphondylia helianthiglobulus - Asphondylia helianthiglobulus
Ames - Tullamore, Story County, Iowa, USA
September 10, 2010
Size: 4+ mm
Stem galls on Helianthus grosseserratus, sawtooth sunflower collected 26-Aug-2010. First flies emerged about 7-Sep-2010. R. Gagne is "pretty certain" as to ID (without seeing the larva on a microscope slide).