The larvae feed on various plants, including "Alnus rubra" and "Quercus garryana". The larvae feed on "Quercus" species, including "Quercus agrifolia" and "Quercus garryana" species. In Oregon and Washington, it may also be associated with the Garry oak ("Quercus garryana"). The larvae feed on "Quercus dumosa", "Quercus garryana", "Quercus lobata" and "Quercus turbinella". "Alnus rubra" (red alder), and "Quercus garryana" (Garry oak).