140753 The Vapourer Orgyia antiqua Length 16mm. An unusual autumn moth only males of which have wings. Males fly mostly in the daytime but sometimes at night. Females are downy and almost wingless; they are sometimes found near clusters of eggs laid on tree bark. Adult male has chestnut forewings with a white spot on the trailing edge. Flies August–September. Larva is bristly with tufts of yellow and black hairs. Larva feeds on deciduous trees. Widespread and common in lowland Britain.