Amata passalis, the sandalwood defoliator, is a moth of the family Erebidae first described by Johan Christian Fabricius in 1781.

[1] The average life cycle of the species in captivity is 62 days.

After mating, the adult female lays about 305 eggs in a lifespan of 3.87 days.

[2] It is known mainly as a defoliator of sandalwood (Santalum album) in India.

[3][4] The larval stage of Apanteles nepitae can be used as a parasite to control the moth.