Eristalis cryptarum - Bog hoverfly

Name: Eristalis cryptarum (Fabricius, 1794)

Family: Syrphidae

Common name: Bog hoverfly

Dartmoor currently; previously south-west England

Seepages and perhaps swamps with diverse vegetation, circum-neutral to slightly acid, lightly to moderately grazed. On Dartmoor, the species appears to rely on seepages within rhos pasture grassland and moorland edge that are not too acidic.

Distribution map from publicly available, 10km square resolution data on the NBN Gateway.

Distribution map from the Hoverfly Recording Scheme.

Existing BAP species,

Norman Baldock, Dartmoor National Park Authority

UK BAP