* Dasineura affinis (Kieffer, 1886)

Material: AK, Oslo: Sørkedalen, Finnerud, 60.031434°N 10.640012°E ± 20m, 10 August 2021, on Viola canina, LI, leg. HE, coll. NHMO .

Biology: The white to orange larvae develop gregariously in galled leaves of Viola spp. ( Violaceae). The margins on either or both sides of the leaf are rolled upwards and somewhat thickened, creating a space for the larvae. Multivoltine; pupation in the gall.

Distribution: Widespread in Europe including Norway, Sweden, Denmark and Finland. Around the Mediterranean.