Range & Status

Very localised across southern Britain, possibly declining.

Regional Distribution

Recently recorded in east Cornwall in SX06 (details not available).

Habitat & Ecology

Associated with Bur-reed Sparganium spp.; the larvae are aquatic, feeding at the roots of Bur-reed, and the adults are attracted to flowers of Yellow Water-lily Nuphar lutea .

Threats

Silting or artificial in-filling of water bodies; pollution.

Conservation

Protect open waters and their catchments from damaging activities.