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Photo#654086
leaf mine on yellow violet - Nefusa ambigua

leaf mine on yellow violet - Nefusa ambigua
Bluffton Fir Stand State Preserve, Bluffton, Winneshiek County, Iowa, USA
May 31, 2012
Size: ~1 cm wide
Mines on leaves of Yellow Violet (Viola pubescens) in oak-maple forest.

Images of this individual: tag all
leaf mine on yellow violet - Nefusa ambigua leaf mine on yellow violet - Nefusa ambigua

Moved
Moved from ID Request.
I have found these several times this spring, always on V. pubescens, and I've collected some to rear. At this point just one leaf-mining sawfly species is known from violets.

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