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Grass mines - Agromyza

Grass mines - Agromyza
Lincoln, Middlesex County, Massachusetts, USA
July 9, 2018
These mines are common along a road.

Images of this individual: tag all
Grass mines - Agromyza Underside - Agromyza

Moved from Leaf Miner Flies.

These are empty, but you may find others with larvae inside. I took a closer look and I'm sure this is Agromyza; the host is Dichanthelium, which has at least three Agromyza spp. on it (two known from MA); males needed to distinguish them.

Moved from Unidentified Leaf Mines.

I want to say Agromyza, but this is unusually whitish for that genus.

Still in the mines?
Would the larvae still be in the leaves? I could collect some leaves.

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