About Amorbia cuneanum (Walsingham, 1879)
Amorbia cuneanum, commonly known as the western avocado leafroller moth, is a moth species belonging to the family Tortricidae. Its distribution ranges from Baja California, Mexico, up to southwestern Canada. To the east, its range extends into Arizona and Idaho in the United States. The forewing length measures 11.5–13 mm for males, and 12–14.5 mm for females. Adult moths are active year round, producing two generations each year. The larvae of this species feed on a wide range of host plants: Abies concolor, Rhus laurina, Arctostaphylos insularis, Arctostaphylos patula, Persea americana, Laurus species, Ceanothus arboreus, Heteromeles arbutifolia, Lyonothamnus floribundus, Prunus species including Prunus lyonii, Citrus species, and Salix species. Fully grown larvae reach a total length of approximately 25 mm.