Contarinia nasturtii (Kieffer, 1888)

Material: VE, Larvik: Gurvika, 58.96483°N 9.86307°E ± 50m, 18 August 2019, Galled flowers of Raphanus raphanistrum, L, leg. AF, BOLD: NHMO-ENT-548139, coll. NHMO .

Biology: The yellow larvae develop on a wide range of Brassicaceae . They develop gregariously either in the flower buds, which become strongly swollen and remain unopened, or in the terminal shoots, which then become swollen and shortened. Multivoltine; pupation and hibernation in the soil. The species is considered an economically significant pest.

Distribution: Widespread in Europe including Norway, Sweden, Denmark and Finland. Asia and Northern Africa. Introduced to the Nearctic.