Gatekeeper or Hedge Brown

Pyronia tithonus

Common Summer Butterfly in Britain of hedgerows & fields.

Caterpilars are usually green or brown. 

The Larvae feeds on various grasses including Timothy & Cock's-foot.

The Male has a dark patch on the upper side of the fore wing that contains scent-producing scales known as the androconia.

This is most likely for courtship purposes.

Females typically have more spots than Males.

Males have more costally placed eyespots, compared to the Females, whose eyespots are more spread over the wing margin.

Flight period is from July-early September.