Range & Status
Widespread north to Durham; recently recorded in south-west Scotland.
In 1989 recorded near Padstow, Pendower Beach and Tregagle' s Hole, Nare Head; found in numbers at Treluggan Cliff in 2001.
Habitat & Ecology
Coastal, in wet sparsely vegetated seepages on springs and landslips, with larvae in shallow water. Adults occur from June to August, often on bushes around its open
Any pollution or disturbance of its fragile habitat.
Recorded sites are mostly on National Trust land.