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Lulworth Skipper Thymelicus acteon Wingspan 28mm. Well-marked butterfly; like other skippers it has an active, buzzing flight. Adult has olive-brown upperwings. Forewing has crescent of pale spots like a paw-print; markings are brighter on females than on males. Flies June–July. Larva is nocturnal and feeds on grasses. Very local in coastal grassland from Purbeck in Dorset to east Devon.