Abies concolor
The larvae feed on "Abies concolor", "Rhus laurina", "Arctostaphylos insularis", "Arcotostaphylos patula", "Persea americana", "Laurus" species, "Ceanothus arboreus", "Heteromeles arbutifolia", "Lyonothamnus floribundus", "Prunus" species (including "Prunus lyonii"), "Citrus" species and "Salix" species. Full-grown larvae reach a length of about 25 mm.