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Photo#1216129
St. Andrews leaf miner on Quercus nigra SA328 2016 3 - Dyseriocrania griseocapitella

St. Andrews leaf miner on Quercus nigra SA328 2016 3 - Dyseriocrania griseocapitella
Laurinburg, Scotland County, North Carolina, USA
April 26, 2016

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St. Andrews leaf miner on Quercus nigra SA328 2016 1 - Dyseriocrania griseocapitella St. Andrews leaf miner on Quercus nigra SA328 2016 3 - Dyseriocrania griseocapitella

Moved
Moved from Unidentified Leaf Mines.

The stringy frass is characteristic of Eriocraniidae. In J. viridula it is more in irregular lumps.

Eriocraniella again?
Eriocraniella again?

 
Probably not
There doesn't seem to be a linear portion. It may be another eriocraniid (most likely Dyseriocrania griseocapitella); the frass looks wrong for Japanagromyza viridula, but sometimes I have a hard time judging that from photos.

 
What should the frass look li
What should the frass look like for either miner? I have the leaf--I can look at it again to see. The frass seemed to form linear strips that were in pieces, and clustered in one portion of the mine.