Diet Overlap

Dilophus febrilis (Fever Fly) Syrphus ribesii (Summer Fly)

Common Diet

Cirsium arvense (Creeping Thistle)

Common Habitat

Cairngorms Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd Corsydd Môn/ Anglesey Fens Fenland Limestone Coast of South West Wales/ Arfordir Calchfaen de Orllewin Cymru Moor House – Upper Teesdale Morecambe Bay Pavements Pen Llyn a`r Sarnau/ Lleyn Peninsula and the Sarnau Preseli Saltfleetby–Theddlethorpe Dunes and Gibraltar Point Severn Estuary/ Môr Hafren South Solway Mosses The Broads The New Forest Witherslack Mosses