Range & Status
Only known from old records in Cornwall and a 1990 record from Hampshire.
Recorded near Padstow (1902) and St. Merryn (1905).The latter was said to be a marshy hollow near a common, but this is now destroyed.
Habitat & Ecology
Ecology not known, but likely to be aquatic or a seepage specialist.
Drainage improvement works, water abstraction, and development.
None possible until a new site is discovered.