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Photo#252900
galls on hickory - Phylloxera subelliptica

galls on hickory - Phylloxera subelliptica
Cross Plains, Dane County, Wisconsin, USA
June 1, 2008

Moved
Moved from Phylloxera.

Moved
Moved from Galls. All of the hickory petiole galls listed in Felt (1940) are made by Phylloxera species. Most are described rather vaguely, and none are illustrated, so that's all I can say at the moment.

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