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Photo#1253467
leaf mine on Columbine

leaf mine on Columbine
Cross Plains, Dane County, Wisconsin, USA
June 30, 2016
Mine located along one of the main veins of leaf.

Images of this individual: tag all
leaf mine on Columbine leaf mine on Columbine

Looks like a fly mine...
but not one I've seen before. Is this a plant you can revisit and see if the mine has grown? Those appear to be oviposition holes on the lower leaf surface; I assume they correspond with the beginnings of the linear portions of the mine.

 
leaf
I picked the leaf and didn't keep it. However, I will check the plant to see if there are any other mines like this.

Posted an additional photo - from same plant.

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