Potentilla erecta
The larvae feed from within rolled-up leaves of various herbaceous plants, including "Spiraea", "Ledum palustre", "Potentilla erecta", "Alchemilla vulgaris", "Poterium", "Malus sylvestris", "Rubus", "Dryas octopetala", "Fragaria", "Filipendula", "Helianthemum", "Aruncus" and "Sanguisorba minor". Larvae can be found from May to June.