The cinnabar moth (Tyria jacobaeae) is a brightly colored arctiid moth. It is found in Europe and western and central Asia. It has been introduced into New Zealand, Australia and North America to control poisonous ragwort. This is because the larvae feeding on the ragwort. The moth is named after the red mineral cinnabar because of the red patches on its mostly black wings. Cinnabar moths are about 20mm long and have a wingspan of 32–42 mm (1.3-1.7 in).