North Merseyside Biodiversity Action Plan Grayling

The Grayling is a butterfly mostly associated with coastal grasslands. Its caterpillars feed exclusively on grasses, especially fescues, bents and hair-grasses. The adults seek out thistle, bramble and other flowers as sources of nectar and require plentiful areas of bare ground on which to bask to gain sufficient warmth to fly.

North Merseyside Biodiversity Action Plan
Grayling Hipparchia semele

1 Current status
1.1 National

The Grayling is a butterfly mostly associated with coastal grasslands. Its caterpillars feed exclusively on grasses, especially fescues, bents and hair-grasses. The adults seek out thistle, bramble and other flowers as sources of nectar and require plentiful areas of bare ground on which to bask to gain sufficient warmth to fly.

The species remains widespread but localised. Some populations are quite distinctive and the many local declines this species has suffered may threaten genetic diversity. Although not a UK Priority Species, the Grayling appeared on the original Long List of the UK BAP and is classified in the Red Data Book as ‘out of danger’.

1.2 Local
On Merseyside the Grayling is entirely confined to the Sefton Coast, where it occurs between Hightown and Southport, mostly in more seaward dune habitats.

Sea holly is a particularly important nectar source.

North Merseyside Biodiversity Action Plan Dark Green Fritillary

Dark Green Fritillaries used to be common on the Sefton Coast sand dunes but are now much scarcer, being confined to an area between Birkdale and Hightown. Previous inland sites have all seemingly been lost.

North Merseyside Biodiversity Action Plan
Dark Green Fritillary Argynnis aglaja

1 Current status
1.1 National
Like many other fritillary butterflies the caterpillars of the Dark Green Fritillary feed exclusively upon violets. The adults are in flight between June and August and feed on a variety of flowers.
The species remains widespread but local. It has suffered local declines in recent years but is less severely threatened than several other fritillaries.

1.2 Local
Dark Green Fritillaries used to be common on the Sefton Coast sand dunes but are now much scarcer, being confined to an area between Birkdale and Hightown. Previous inland sites have all seemingly been lost.