It has a scattered distribution across Europe, closely following the range of its food plant (Foxglove). Where present it can be very common.
The wingspan is 18-22 mm and the species is quite colourful for the genus, with alternating bands of dark brown and buffish orange on the forewings. In some races the buff bands can be very pale. The hindwings are similarly marked but generally paler. It flies at night in May and June and is attracted to light.
The larva is quite variable but is normally yellowish-green with purplish markings. It usually feeds inside foxglove flowers. Soon after hatching it seals the mouth of the flower with silk and feeds on the reproductive parts of the flower. The corolla of the flower persists on the plant after those of uninfested flowers have fallen.
(Extract from Wikepedia)