Diet Overlap

Mesembrina meridiana (Mid-day Fly) Pollenia rudis (cluster fly)

Common Diet

Tanacetum bipinnatum bipinnatum (Tansy)

Common Habitat

Afon Teifi/ River Teifi Birklands and Bilhaugh Cadair Idris Cairngorms Carmarthen Bay Dunes/ Twyni Bae Caerfyrddin Cors Caron Cors Fochno Corsydd Eifionydd Corsydd Llyn/ Lleyn Fens Corsydd Môn/ Anglesey Fens Crymlyn Bog/ Cors Crymlyn Fenland Fenn`s, Whixall, Bettisfield, Wem and Cadney Mosses Gower Commons/ Tiroedd Comin Gwyr Isle of Portland to Studland Cliffs Kenfig/ Cynffig Limestone Coast of South West Wales/ Arfordir Calchfaen de Orllewin Cymru Moor House – Upper Teesdale Morfa Harlech a Morfa Dyffryn North Pembrokeshire Woodlands/ Coedydd Gogledd Sir Benfro Pen Llyn a`r Sarnau/ Lleyn Peninsula and the Sarnau Preseli Rhos Goch Rhos Llawr-cwrt River Spey Sefton Coast Severn Estuary/ Môr Hafren The Broads The New Forest Witherslack Mosses Y Twyni o Abermenai i Aberffraw/ Abermenai to Aberffraw Dunes