Urophora_quadrifasciata
Urophora quadrifasciata
Species of fly
Urophora quadrifasciata is a species of tephritid or fruit flies in the genus Urophora of the family Tephritidae. The host plant for the larvae is usually a knapweed (Centaurea sp),[3] and because of this, it is used to control Centaurea stoebe.[4]