National Status

In decline, fast becoming a coastal and southern heathland butterfly. Population trend 10 years +10%; since 1976 – 58%.

West Midlands Status

Occurs largely in two areas: the Long Mynd/Stretton Hills/Stiperstones complex. Range contracting on the Malverns. Population trend 10 years – decreasing.

Habitat

A butterfly of poor soil and arid conditions, bare ground and rocky outcrops with fine grasses such as Sheep’s Fescue (Festuca ovina) providing the essentials for breeding.

Flight Period

One brood July-early September, peaking late July in an average season.

Hotspots

The Bog and Stiperstones in Shropshire: The Bog,

Caterpillar Food Plant

The main foodplants are Bristle Bent (Agrostis curtisii), Early Hair-grass (Aira praecox), Red Fescue (Festuca rubra) and Sheep’s-fescue (Festuca ovina). Marram (Ammophila arenaria) and Tufted Hair-grass (Deschampsia cespitosa) are also used.