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
SS Lulworth Hill War Medal for Bravery at Sea. In 1985 a radio interview was broadcast in which Cooke described their ordeal and survival. On 23 May 1943 "Leonardo da Vinci" was in the North Atlantic returning from patrol west of Vigo, Spain when the Royal Navy destroyer depth charged and sank her. There were no survivors. James Hull, the prisoner from "Lulworth Hill", had previously been transferred to the Italian submarine "Finzi". In 1947 Dorset Steamships bought the Empire ship SS "Empire Mandarin" and renamed her "Lulworth Hill". In 1949 she was renamed "Castle Hill". In 1950 she was transferred to a