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Photo#556553
leaf mines on aster

leaf mines on aster
Ledges State Park, Boone, Boone County, Iowa, USA
July 31, 2011
Size: ~2 mm wide + blotch
Mines on upper leaf surface of an aster (possibly Symphyotrichum lanceolatum) along shaded roadside. No visible from lower leaf surface.

gathering_2011

Moved
Moved from Unidentified Leaf Mines.
The long, linear mine with nearly continuous frass line is a Phytomyza, possibly P. ciliolati but that is currently only known from Alberta. The blotch must also be agromyzid, but it doesn't really match any described mines on aster leaves.

Moved
Moved from ID Request.

It looks to me like these are two separate mines
I'm pretty sure the linear mine is from an agromyzid; the blotch may also be but I'm less sure about that.

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