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..
Wingspan 38–47 mm.
Caterpillar Foodplant: The primary larval foodplant is Common Dog-violet (Viola riviniana). Heath Dog-violet (Viola canina) and Marsh Violet (Viola palustris) are also used.
Pearl-bordered Fritillary Life Cycle
Click on the image
Above The Charts show the distribution over the last 5 years population in a few known sites The Population Trend from Transect Records shows significant decrease however time counts show better results. Phenology from Transect Records