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Photo#808855
Solidago Gall ID Request
Copyright © 2013 Thomas Wilson of Armistead Gardens in Baltimore City

Solidago Gall ID Request
Herring Run Park, Baltimore City County, Maryland, USA
July 11, 2013
Observed on a Solidago sp. [=canadensis?]
Contributed by Thomas Wilson of Armistead Gardens in Baltimore City on 21 July, 2013 - 9:15pm

looks like goldenrod stem gall
They are made by Eurosta solidaginis. You can read more here about them: http://www.fcps.edu/islandcreekes/ecology/goldenrod_gall_fly.htm
… Lena Struwe, 4 August, 2014 - 5:20pm

 
I agree
It does look like E. solidaginis
… Beatriz Moisset, 3 December, 2015 - 10:25am

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