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
Coastal Skipper one candidate and 8 to 14 hours for two. Candidates are set tasks to demonstrate their ability as a Coastal Skipper and may be asked questions on any part of the syllabus for all practical and shorebased courses up to Coastal Skipper. This course assumes that the student has already studied navigation to Day Skipper Shorebased standard. This is an advanced course in navigation and meteorology for candidates for the Coastal Skipper and Yachtmaster Offshore Certificate. The course lasts about 40 hours. It may be taken continuously over several days, or as evening or several weekends, or by distance learning.