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 Heritage Site. The range includes the ghost village of Tyneham, deserted in 1943 and abandoned permanently following its compulsory purchase by the Army in 1948. The ranges are used for static and mobile live-firing practice by tanks and other armoured vehicles. The ranges are cleared for use by tank main armament and other vehicle-mounted heavy weapons. Lulworth Ranges has an electrically powered rail targetry system which is visible on Google Earth and from the surrounding hills. The railway consists of a four track shed on a short branch, which is connected to a small within a large loop. For safety