The larvae feed on the leaves of Bitternut Hickory (Carya cordiformis), Butternut (Juglans cinerea), Red Oak (Quercus rubra), White Ash (Fraxinus americana), and hawthorn (Crataegus sp.).
Quercus robur | Quercus ilex | Quercus petraea | Myrica rubra | Quercus alba | Festuca rubra | Quercus cerris | Quercus virginiana | Quercus rubra | Quercus garryana | Quercus acutissima | Quercus palustris | Quercus minima | Quercus fusiformis | Quercus castaneifolia | Quercus agrifolia | Plumeria rubra | Halocaridina rubra | Vriesea rubra | Thelymitra rubra | Spergularia rubra | Sarracenia rubra | sand live oak (''Quercus geminata'') | Quercus × warei | ''Quercus'' × ''warei'' | Quercus suber | ''Quercus robur'' | Quercus peninsularis | Quercus lusitanica | Quercus lobata |
Oaks - native oaks including red (Quercus rubra), white (Quercus alba), black (Quercus velutina), bur (Quercus macrocarpa), shingle (Quercus imbricaria), and swamp white (Quercus bicolor), as well as three Asian oaks representing sawtooth oak (Quercus acutissima) and oriental oak (Quercus variabilis).
Besides several softwood species (such as fir, spruce, pine, cedar and hemlock), other hardwood species present include: red oak, beech, linden, elm, and ash.