This guide contains butterflies and moths that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
The common aspen leaf miner or aspen serpentine leafminer (Phyllocnistis populiella) is a moth of the Gracillariidae family. It is found in northern North America, including Alberta, Massachusetts, Ontario and Alaska.