Contarinia sorbi Kieffer, 1896

Material: TEY, Porsgrunn: Åsstranda, 59.0946592°N 9.647405°E ± 250m, 16 June 2019, 1L, leg. SH, BOLD: NHMO-ENT-548098, coll. NHMO; AK, Oslo: Ellingsrud, 59.930491°N 10.912346°E ± 50m, 19 June 2022, 5L, leg. HE, coll. NHMO .

Biology: Thewhitelarvaedevelopgregariously on galled leaves of Sorbus spp. ( Rosaceae). Our records are from Sorbus aucuparia . Infected leaves are folded up along the midrib, forming a small fold in which the larvae live. Univoltine; pupation and hibernation in the soil.

Distribution: Known from several European countries including Norway, Sweden and Denmark.