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
Crystal skipper in the spring of the second year are the grandchildren of the brood from the previous spring. The crystal skipper lays its eggs on seaside little bluestem, "Schizachyrium littorale", and the caterpillars feed on this grass. The crystal skipper is found along primary and secondary sand dunes where its hostplant, seaside little bluestem ("Schizachyrium littorale"), is present. Although the largest and most dense populations of the skipper are usually on undisturbed sand dunes, the skipper can also persist in small patches of sand dune habitat, such as undeveloped lots in urban areas. Additionally, the crystal skipper is found on several