Dasineura acrophila (Winnertz, 1853)

Fjellberg, Arne & Fedotova, Zoya, 2024, New records of gall midges (Diptera, Cecidomyiidae) from Norway, Norwegian Journal of Entomology 71, pp. 8-94 : 57

* Dasineura acrophila (Winnertz, 1853)

Material: TEY, Nome : Ulefoss, Klovdal, 59.236580°N 9.378267°E ± 150m, 17 June 2019, L, leg . HE, coll. NHMO; VE, Larvik : Rakke, 58.97890°N 10.02301°E ± 10m, 25 June 2019, L, leg . AF, coll. Private; AK, Asker : Konglungen, Spirebukta, 59.832968°N 10.495180°E ± 5m ,

3 June 2022, L, leg. HE, coll. NHMO; Nesøya, Vendla , 59.860185°N 10.527596°E ± 5m , 29 May 2019, L, leg. HE, coll. NHMO; 59.860168°N 10.527577°E ± 5m , 31 May 2020, L, leg. HE & TS, BOLD: NHMO-ENT-548019,548020, coll. NHMO; 59.860303°N 10.527530°E ± 5m , 4 June 2021, L, leg. HE, coll. NHMO; Brønnøya, Brønnøyveien 26, 59.855107°N 10.534147°E ± 6m , 4 June 2021, L, leg. HE, coll. NHMO; Baerum: Fornebu, Rolfstangen , 59.890374°N 10.633679°E ± 10m , 18 June 2022, L, leg. HE & TS, coll. NHMO; Oslo: Malmøya, Solvik , 59.863699°N 10.750400°E ± 5m , 2 June 2022, LF, leg. HE, coll. NHMO; Ekebergskråningen , 59.894861°N 10.760137°E ± 4m , 15 May 2019, L, leg. HE, coll. NHMO; 59.891800°N 10.761405°E ± 4m , 15 May 2019, L, leg. HE, coll. NHMO .

Biology: The larvae develop gregariously in galled leaves of Fraxinus spp. ( Oleaceae ). Our records are all from F. excelsior . Infected leaves are folded upwards over the midrib, forming a pod-like gall usually at the base of the leaf. The larvae are white with green gut content. Univoltine; pupation and hibernation in the soil.

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