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Coleophora potentillae is a moth of the Coleophoridae family. It is found from Fennoscandia to the Pyrenees, and from Ireland to Poland.
The wingspan is 8–10 mm. Adults are on wing from June to August. There is one generation per year.
The larvae feed on Rosaceae herbs and shrubs (Potentilla, Rosa, Rubus) and some other plants (e.g. Helianthemum or birches, Betula). They create an off-white (sometimes darker) lobe cae, that lies almost flat on the leaf. It has a mouth angle of 30°-50°. The lobes are cut from the lower epidermis. Full-grown larvae can be found in autumn.
References
Coleophora potentillae Wikipedia(Text) CC BY-SA