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Photo#376716
gall - Asteromyia tumifica

gall - Asteromyia tumifica
Groton, Middlesex County, Massachusetts, USA
I found these galls on 2-28-10, and took them home. The wasps emerged on 3-13-10.

Images of this individual: tag all
gall - Asteromyia tumifica gall - Asteromyia tumifica wasp from a gall - Platygaster - male wasp from a gall - Platygaster - male wasp from a gall - Platygaster - male wasp from a gall - Asteromyia tumifica - male wasp from a gall - Asteromyia tumifica - male

Moved
Moved from Platygaster.
I think you were right about this being goldenrod, Tom--these look like a good match for Asteromyia tumifica galls.

 
I think it was goldenrod
but I didn't take a sample home other than what you see to check it out. Thanks for digging up the info and identifying these galls!

Moved
Moved from Platygastridae.

Moved
Moved from Platygasteridae.

Species?
There are many species of goldenrod. Any idea which this is? I have never seen this type of goldenrod galls or stems of this color and aspect. I haven't seen this kind of galls in the goldenrod gall literature either; but, of course, this is far from complete.

 
...
It could be something other than goldenrod. There were now leaves left on the dead stalk, but it had the dried up plume of flowers on top just like a goldenrod. I'll edit the title and take the word goldenrod out.

Moved
Moved from parasitic Apocrita.

Moved
Moved from Gall Wasps.

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