Dasineura epilobii (F. Löw, 1889)

(Figure 36)

Material: Ø, Indre Østfold: Berg, 59.556066°N 11.232754°E ± 6m, 6 August 2021, L, leg. TS, coll. NHMO ; AK, Lillestrøm: Branderud, Kongsrudveien 4, 59.983797°N 11.145042°E ± 3m, 4 July 2020, LMF, leg. TS, coll. NHMO ; Nannestad: Aurmoen, W of Flatnertjernet, 60.241261°N 11.105473°E ± 5m, 7 July 2020, LMF, leg. TS, HE & ØE, coll. NHMO .

Biology: The pale orange-red larvae develop gregariously in galled flower buds of Chamaenerion angustifolium and Epilobium spp. ( Onagraceae). Our records are from Chamaenerion angustifolium . Infected flowers become strongly swollen and misshapen, and do not open. Bivoltine; pupation and hibernation in the soil.

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