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Photo#273339
galls on elm leaf - Tetraneura

galls on elm leaf - Tetraneura
Woodland Mounds State Preserve, Warren County, Iowa, USA
May 7, 2009
Size: ~4 mm tall
Numerous small galls on upper surface of red elm (Ulmus rubra) sapling in upland oak forest.

Images of this individual: tag all
galls on elm leaf - Tetraneura galls on elm leaf - Tetraneura

Moved
Moved from Aceria campestricola.
I'm changing my mind about these... the images I just moved to the Aceria campestricola section are a much better match for Keifer's description of that species' galls. The aphid galls on elm are a confusing mess, but I think this genus is right.

Aceria campestricola
(a mite) -- new to BugGuide.

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