It is found in southeastern Canada and the northeastern United States to North Carolina, west to Missouri, north to Manitoba.

The species is also present in Europe,[1] where it has been introduced on three occasions: to the Netherlands in 1971, Germany in 1975 and Austria in 1976.

Adults are on wing from May to July depending on the location.

The larvae feed on the leaves of Thuja occidentalis as well as other arborvitae and false cypress (Chamaecyparis) species.

This article on a moth of the family Yponomeutidae is a stub.