The larvae feed on "Populus tremuloides" and balsam poplar. Tree groves are aspen, willows and balsam poplar. Western balsam poplar is also planted as a timber crop. At even lower elevations there are aspen and balsam poplar. Other vegetation species include balsam poplar and bur oak. Species of trees used for roosting include quaking aspen, balsam poplar, oak, and maple. The primary tree species are white spruce, balsam poplar and trembling aspen. The main species found here is one of the deciduous species; the Balsam Poplar. Balsam poplar comprised 62% of known nest sites in Manitoba as well. The area's native tree species include deciduous balsam poplar and coniferous spruce and pine. Balsam poplar, white birch, black spruce, balsam fir, and pines may also occur.