Range & Status

Very localised across southern and eastern England and has become increasingly scarce in recent years.

Regional Distribution

Recently recorded in west Cornwall from Marazion area (details not available).

Habitat & Ecology

Associated with Arrowhead Sagittaria sagittifolia and possibly Water-plantains Alisma spp.; the larvae are aquatic 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.