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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Tephritoidea » Fruit Flies (Tephritidae) » Tephritinae » Dithrycini » Eurosta » Goldenrod Gall Fly (Eurosta solidaginis)
Photo#360008
Eurosta solidaginis-goldenrod gall - Eurosta solidaginis
Copyright © 2009 Joe Zito

Eurosta solidaginis-goldenrod gall - Eurosta solidaginis
Cedar Rapids/ICNC, Linn County, Iowa, USA
December 18, 2009
Size: ~20mm
I assume these are the common Eurosta solidaginis, I thought I would post this as there are none of these galls posted that have been "raided" by birds, possibly a downy woodpecker. (There were not any posted from Iowa either).
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Contributed by Joe Zito on 20 December, 2009 - 8:43pm
Last updated 11 February, 2010 - 3:21pm

Moved
Moved from ID Request. Chickadees are another possibility--I'm not sure if there's a way to tell the difference.
… Charley Eiseman, 20 December, 2009 - 8:50pm login or register to post comments

 
Woodpeckers vs. chickadees
As I understand, woodpeckers make a fairly neat hole while chickadees are sloppier making a larger hole and chipping away quite a lot. So, it is more likely that this was done by a woodpecker.
… Beatriz Moisset, 11 February, 2010 - 3:17pm login or register to post comments

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