Bionomics of the leaf feeder, Pogonopygia nigralbata Warren, damaging illicium verum trees in Bac Kan province, Vietnam

Illicium verum is a non-timber forest product, which is widely cultivated in Vietnam. A leaf-feeder, Pogonopygia nigralbata Warren is a moth (Lepidoptera: Geometridae: Ennominae), has caused significant damage to plantations of this plant species in Bac Kan province.