Plant Mite Galls 



1 E r i o p h y e s sp. on red maple, Acer rubrum. (After Thompson) 



2 Wild cherry pouch gall, Eriophyes ?padi Nal. (After Thompson) 



3 Poplar leaves deformed possibly by Eriophyes populi Nal. (After 



Thompson) 



4 Leaf gall onPyrus arbutifolia, produced by Eriophyes sp. 



(After Thompson) 



5 Oak buds blasted by Eriophyes sp. (After Thompson) 



6 Galls on poison ivy produced by Eriophyes sp. (After Thompson) 



7 Terminal leaves of Rhus copallina deformed by Eriophyes sp. 



(After Thompson) 



8 Willow leaf gall produced by Eriophyes sp. (After Thompson) 



9 Maple bladder gall, Phyllocoptes quadripes Shim. 



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