The American pistol casebearer moth (Coleophora atromarginata) is a moth of the Coleophoridae family. It is found in North America, including Ohio, Maryland, Massachusetts and New Brunswick. The larvae feed on the leaves of Quercus platanoides, Quercus rubra and Prunus serotina, as well as Betula, Carpinus, Ostrya and Carya species. They create a pistol case.