Range & Status

Restricted to 52 10km squares on limey soil in southern Britain.

Regional Distribution

Three localities are listed for before 1907, but the most recent site was a small colony on rough pasture at Brae Hill, near Rock, in September 1975. Despite many searches it has not been refound, and may be extinct in Cornwall.

Habitat & Ecology

Occurs in coarse herbage in hot sites over limestone or chalk.

Threats

None known.

Conservation

Needs re-finding if possible, after which the site should be protected for detailed study.