* Contarinia floriperda Rübsaamen, 1917

Material: TEI, Seljord: Blika, 59.5914013°N 8.5615844°E ± 100m, 18 June 2019, L, leg. SH, BOLD: NHMO-ENT-548108, coll. NHMO; AK, Asker: Brønnøya, Ostsundveien plot 41/185, 59.866228°N 10.553876°E ± 3m, 3 June 2022, LF, leg. HE, coll. NHMO ; Oslo: Ellingsrudåsen, 59.936246°N 10.918709°E ± 10m, 3 June 2019, L, leg. HE, coll. NHMO ; 59.936246°N 10.918709°E ± 50m, 12 June 2019, L, leg. HE, coll. NHMO; OS, Gran: Bleiken, 60.463291°N 10.504599°E ± 5m, 12 June 2020, L, leg. HE, coll. NHMO ; TRI, Storfjord: Skibotn, Okseneset, 69.384626°N 20.260924°E ± 300m, 6 July 2019, LM, leg. HE, coll. NHMO .

Biology: The whitish yellow larvae develop gregariously in galled flower buds of Sorbus spp. ( Rosaceae). Our records are all from Sorbus aucuparia . Infected buds become enlarged and do not open. Univoltine; pupation and hibernation in the soil.

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