* Contarinia jacobaeae (Loew, 1850)
Material: BØ, Hole: Steinssletta, 60.101385°N 10.288779°E ± 25m, 8 August 2020, on Jacobaea vulgaris, L, leg. TS, coll. NHMO .
Biology: The yellowish white or yellow larvae develop gregariously in capitula and stems of Jacobaea spp. and Senecio spp. ( Asteraceae). Infected capitula or stem parts become somewhat swollen and/or distorted. Bi- or multivoltine. Pupation and hibernation in the soil.
Distribution: Widespread in Europe including Norway, Sweden and Denmark.