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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Phylloxeroidea » Phylloxeridae » Phylloxera » Phylloxera spinosa
Photo#1074224
Gall on Hickory - Phylloxera spinosa
Copyright © 2015 Sarah Macy

Gall on Hickory - Phylloxera spinosa
Shawnee State Forest, Scioto County, Ohio, USA
May 25, 2015
There looks to be two different galls in picture. One type on the leaf and the other on the stem of a hickory tree. We're most interested in the spiky galls on the stem. Thanks!
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Contributed by Laura Hughes on 28 May, 2015 - 9:24am
Last updated 12 February, 2017 - 9:16pm

Moved
Moved from Phylloxera.

I see that spinosa has been considered a "variety" of P. caryaecaulis in the past.
… Charley Eiseman, 12 February, 2017 - 9:16pm login or register to post comments

 
Yes, this is something that n
Yes, this is something that needs to be looked into.
… Ricki H, 15 February, 2017 - 10:42am login or register to post comments

Moved
Moved from Unidentified Galls.

Hi Laura and Sarah! Both are from some kind of phylloxeran... the spiny one might be Phylloxera spinuloides, but P. caryaecaulis can be spiny too; I haven't seen illustrations of either.
… Charley Eiseman, 13 August, 2016 - 4:38pm login or register to post comments

 
Species ID
The gall on the left looks like Phylloxera spinosa and the gall on the right is probably Phylloxera spinuloides.
… Ricki H, 12 February, 2017 - 6:53pm login or register to post comments

 
Thanks, Charley!
I like the hempiteran galls.
… Laura Hughes, 2 September, 2016 - 10:12am login or register to post comments

Moved
Moved from ID Request.
… v belov, 4 June, 2015 - 12:17pm login or register to post comments

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