Populus balsamifera
The larvae feed on the leaves of "Prunus virginiana", "Populus balsamifera", "Populus tremuloides", "Cicuta", "Alnus", "Malus", "Spiraea", "Salix" (including "Salix bebbiana") and "Crataegus" species. The larvae have a green body and a yellowish brown head. They reach a length of 14–22 m when full-grown. The species overwinters as an egg.