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Banded Bullet Gall Wasp

Dryocosmus imbricariae

Photo by Machi
Published on Project Noah
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28.8293, -82.3981

Field Notes

Description:

I have found these before, but never had any idea what they were. I found this under the oak tree in the last photo. It appears to be a wasp gall.

Habitat:

Withlacoochee State Forest Citrus Tract. Found underneath what appears to be a Bluejack Oak (Quercus incana)

Species ID Suggestions

Comments (9)
ForestDragon
I forgot to add, some galls detach from their point of growth. It depends on the type.
Machi
Thanks for the info! I'll include it in the description
AshleyT
Looks like Bluejack Oak, Quercus incana
Machi
Yes, Florida has many oak species. I have so much trouble identifying them!
Machi
I don't know the species of the oak in photo 4, which is why I included a photo. I was hoping it could provide some insight as to what type of gall if it fell from that tree. It was not connected to the twig underneath it. I probably just missed where it was connected, but I'm sure it was there.
Mark Ridgway
Wow that plant doesn't look oak to me but we don't have your species... or the specialist gall wasps.
Mark Ridgway
Interesting. As you said these galls are formed as part of a leaf (or twig) so there should be some sign of that connection. Do you remember if it was attached to that long stick?
ForestDragon
Machi, this is certainly a wasp gall. Some species create galls on leaves and some on stems. I think what you have found is from genus Amphibolips: http://bugguide.net/node/view/39773/bgpage

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Signs of Wildlife
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Florida's Native Bees and Wasps
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National Geographic's Great Nature Project
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Insects and Arachnids of Florida

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Photographed
PublishedJuly 14, 2014

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