Lulworth skipper caterpillars live in the warmest zone of a grass clump, at a height of . The pupal stage lasts for about two weeks, from the beginning of June onwards, until late July. It is formed inside a loose "nest" of silk and grass that is spun deep inside a tussock of tor grass. Imago begin to emerge in the early middle of July and finish emerging in the middle of September. Typically, they will live for five to ten days—the normal lifespan for a non-hibernating butterfly of the Lulworth's seasonal stage. They fly only in strong sunshine and tend to
Lulworth Castle nearby. In the 1970s, restoration work began with the help of English Heritage. The restoration, finished in 1998, included a new roof and restored surviving walls in the interior, but no new internal walls or replacements for the destroyed upper floors were constructed. The castle is still owned by the Weld family and is a tourist attraction, holding medieval-themed events. Part of the Lulworth Estate is in use as an MoD firing range as well as a wildlife conservation area. Since 2017, the site has been used as the location for the Bestival music festival, with the castle's foreground being