Diet Overlap

Cheilosia fraterna Helophilus trivittatus (Sun Fly)

Common Diet

Cirsium palustre (Marsh Thistle)

Common Habitat

Cadair Idris Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd Carmarthen Bay Dunes/ Twyni Bae Caerfyrddin Coedydd Derw a Safleoedd Ystlumod Meirion/ Meirionnydd Oakwoods and Bat Sites Dorset Heaths Dorset Heaths (Purbeck and Wareham) and Studland Dunes Dungeness Epping Forest Fenland Lake District High Fells Limestone Coast of South West Wales/ Arfordir Calchfaen de Orllewin Cymru Lower Derwent Valley Lyme Bay and Torbay Morecambe Bay Morecambe Bay Pavements Norfolk Valley Fens North West Pembrokeshire Commons/ Comins Gogledd Orllewin Sir Benfro Pen Llyn a`r Sarnau/ Lleyn Peninsula and the Sarnau Roudsea Wood and Mosses Sefton Coast Severn Estuary/ Môr Hafren The Broads The New Forest Thursley, Ash, Pirbright and Chobham