Pearl-bordered Fritillary

Boloria_euphrosyne

National Status

Scattered locations in Scotland, England and Wales, range contracting in England and Wales. Population trend 10 years +45%; since 1976 -71%.

West Midlands Status

Isolated colonies, range contracting. Population trend 10 years – increasing.

Habitat

Associated with edges, rides or open spaces within woodlands but it can also occur on rough hillsides where there are mosaics of Bracken (Pteridium aquilinum), grass and scrub.

Flight Period

Late April to mid-June.

Hotspots

Stronghold is the Wyre Forest. Sites: Llanymynech, Ewyas Harold, Haugh Wood, Coppett Hill, Wyre Forest.

Caterpillar Food Plant

The primary larval foodplant is Common Dog-violet (Viola riviniana). Heath Dog-violet (Viola canina) and Marsh Violet (Viola palustris) are also used.

Life Cycle

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Egg
Larva
Pupa
Adult

Distribution 2023