Diet Overlap

Urophora quadrifasciata (Four-barred Knapweed Gall Fly)
Cassida rubiginosa (Thistle Tortoise Beetle)

Common Diet

Centaurea jacea (Brown Knapweed)
Centaurea nigra (Lesser Knapweed)

Common Habitat

Breckland
Fenland

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