Gracillariidae, Common Aspen Leaf Miner, mine - Phyllocnistis populiella
Craggy Rocks, Winneshiek County, Iowa, USA July 4, 2020
July 4, 2020: collected Quaking aspen, Populus tremuloides, leaf with mine click for larva feeding
July 23, 2020: after all these years, finally a moth. But I didn't see the tiny white moth on the underside of the white vial lid.