The larvae feed on "Quercus agrifolia". Here bromeliads cover the ground between large coast live oaks ("Quercus agrifolia"). Coastal live oak (Quercus agrifolia) is a severe allergen. Dominant oak trees include "Quercus agrifolia". They are often sympatric with "Quercus agrifolia" and several other oak species. The larvae feed on "Quercus" species, including "Quercus agrifolia" and "Quercus garryana" species. Live oak woodlands and savannas are dominated by coast live oak ("Quercus agrifolia"). The hillside around the complex has been planted with California Live Oak (Quercus agrifolia) trees. The larvae feed on the leaves of oak, especially "Quercus agrifolia" (coast live oak). It preserves centuries-old coast live oaks ("Quercus agrifolia") growing atop relict sand dunes. The larvae feed on "Quercus agrifolia", "Quercus wislizeni" and "Quercus wislizeni" var. "frutescens".