Food Plant: Many rosaceous shrubs and bushes eg Agrimonia (Agrimony), Filpendula ulmaria (Meadowsweet), Fragaria vesca (Wild Strawberry), Geum spp (Avens), Potentilla spp. (Cinquefoils), Rosa spp. (Rose), Rubus sp (brambles). Also found on Crataegus (Hawthorn), Betula (Birch), Prunus spinosa (Blackthorn) and Helianthemum (Rock Rose)

Mine: September - May

Notes: The case resembles that of C.violacea, but does not lie so flat again the leaf as this species (having a mouth angle of 30 to 50°). C.violacea also has a case which bulges in the middle, whereas in C.potentillae the case tapers towards the posterior.

National Status: Local

Bradley No: 513

Data: 4.ix.2003, Horn Wood, Bozeat, Northants, VC32

Image:© David Manning