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unidentified oak miner with central frass spot

leaf mine on oak - Cameraria leaf mine on oak - Cameraria Quercus alba host - Cameraria Leigh Farm Park leaf miner on Quercus D713 2017 1 - Cameraria Leigh Farm Park leaf miner on Quercus D713 2017 2 - Cameraria Leigh Farm Park leaf miner on Quercus velutina maybe D776 2017 4 - Cameraria Leigh Farm Park leaf miner on Quercus velutina maybe D798 2017 1 - Cameraria Leaf mine - Cameraria
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Gracillarioidea (Ribbed Cocoon-maker and Leaf Blotch Miner Moths)
Family Gracillariidae (Leaf Blotch Miner Moths)
Subfamily Lithocolletinae
Genus Cameraria
No Taxon unidentified oak miner with central frass spot
Range
Wisconsin, New Brunswick
Season
Larvae are active in September.
Food
Red oak (Quercus rubra), white oak (Q. alba)
Remarks
Terry Harrison and I agree that these appear to be Cameraria mines, but neither of us has seen one like this in person, nor do any literature accounts mention a Cameraria (or any other oak leafminer) making a mine with a central frass circle like this. If any more mines like this are found, they should be collected and saved, whether or not a moth emerges.
See Also
A superficially similar mine has been found on quaking aspen in Nevada. No Cameraria is known to feed on Populus.