Local on heathland, scrub and open woodland throughout the British Isles, more numerous in the south. In Hampshire fairly common on the south coast and around the New Forest, and still reported occasionally from around Totland on the Isle of Wight, but not recorded in north Hampshire to date. Wingspan 13-18 mm. The main confusion species are
B. lunaris, from which differs in coloration rather more orange-tinged, costal suffusion narrower, base of dorsum not darker than ground colour, triangular base of black lambda mark merging more gradually to upper process which is relatively broader; and
B. internella, which see. Larva feeds within bark of Gorse