Lulworth skipper their greatest since its discovery there. With a wingspan of 24 to 28 millimetres, females being larger than males, the Lulworth skipper is a small butterfly, the smallest member of the genus "Thymelicus" in Europe and among the smallest butterflies in Britain. Aside from the size difference, the sexes are distinguished by females having a distinct circle of golden marks on each forewing. Due to their likeness to the rays around the eye of a peacock's feather, these are often known as "sun-ray" markings, and they can faintly appear on males. The Lulworth skipper was first described by German entomologist
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