Poison Ivy Galls

Eriophyid Galls on Poison Ivy and Fragrant Sumac
Eriophyid bladder galls on poison ivy
boggs.47@osu.edu Wed, 06/22/2022 - 16:39
The distinctive-looking eriophyid mite bladder galls produced by the so-called Poison Ivy Leaf Gall Mite on Eastern Poison Ivy are now apparent. The irregular, wart-like, light green to reddish-green galls arise from the upper surfaces of the leaflets. Heavily galled leaves may be twisted and deformed.
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Authors
Joe Boggs
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