Lulworth skipper S. A. von Rottemburg in 1775. The butterfly was first discovered in Britain on 15 August 1832, when specimens were taken from Lulworth Cove in Dorset by English naturalist James Charles Dale It was introduced the following year as the Lulworth skipper ("Thymelicus acteon"), a name that has remained unchanged; it is the only one of Britain's vernacular butterfly names for which there has never been a proposed substitute. The male Lulworth skipper has a wingspan of , and the female 25 to 28 mm. This makes it one of Britain's smallest butterflies and, in Europe, the smallest member of
Lulworth Ranges reasons, access to the public is only permissible when the ranges are not in operation. Large red flags are flown and flashing warning lamps on Bindon Hill and St Alban's Head are lit when the ranges are in use. At such times the entrance gates are locked and wardens patrol the area. Access to the area is by foot either via the South West Coast Path or from the car parks at Lulworth Castle, Tyneham, Ridgeway Hill and Povington Hill. The range walks and coast path are open most weekends and some weekdays. Lulworth Ranges The Lulworth Ranges are military