Diet Overlap

Scaeva pyrastri
Urophora quadrifasciata (Four-barred Knapweed Gall Fly)

Common Diet

Centaurea jacea (Brown Knapweed)

Common Habitat

Breckland
Fenland

Attributes / relations provided by
♦ 1Ecology of Commanster
♦ 2Biological Records Centre Database of Insects and their Food Plants