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Early Moth Theria primaria Wingspan 32-35mm. A winter-flying species. Female is wingless; male rests with forewings overlapping one another. Adult male has brown overall, the outer third of the forewing paler than the inner two thirds (which contains a dark spot) and defined by a dark line. Flies January-February. Larva feeds on Blackthorn and Hawthorn. Widespread and locally common in lowland Britain.