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Photo#1293917
leaf miner

leaf miner
Foster Falls, Marion County, Tennessee, USA
September 17, 2016
on Panicum

Moved
Moved from ID Request.

These mines were made by two different agromyzid flies. The blotch in the upper leaf is from an Agromyza species (I have only reared one species from Dichanthelium so far, but others may be possible). The species making linear mines was unknown to me until I found it in Ohio this summer; it has also been found in North Carolina:

Unfortunately I seem to have found them too late to rear any, and this species doesn't seem to occur in New England.

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