Diet Overlap

Scaeva pyrastri
Urophora stylata (Spear Thistle Gall Fly)

Common Diet

Cirsium arvense (Creeping Thistle)
Cirsium vulgare (Spear Thistle)

Common Habitat

Breckland
Fenland
Severn Estuary/ Môr Hafren
The Broads

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