Iteomyia capreae (Winnertz, 1853)

Fjellberg, Arne & Fedotova, Zoya, 2024, New records of gall midges (Diptera, Cecidomyiidae) from Norway, Norwegian Journal of Entomology 71, pp. 8-94 : 69

Iteomyia capreae (Winnertz, 1853)

( Figure 39 A–B )

Material: AK, Oslo: Ellingsrud, Kjerringmyr , 59.925967°N 10.913982°E ± 20m, 4 September 2022, on Salix aurita , L, leg . HE, coll. NHMO; Nittedal: Hakadal, Burås , 60.114236°N 10.817595°E ± 7m, 9 July 2020, on Salix caprea , L, leg . HE, coll. NHMO; NTI, Levanger: Faetta , 63.564802°N 10.939929°E ± 5m, 14 July 2020, on Salix caprea , L, leg . HE, coll. NHMO; NSI, Vefsn: Mosjøen, Kippermoen , 65.834005°N 13.213303°E ± 10m, 27 July 2020, on Salix caprea , L, leg . HE, coll. NHMO.

Biology: The white, later orange or red larvae develop in leaf galls on a wide range of Salix spp. ( Salicaceae ). Each larva develops in a globular, up to 2 mm wide gall which protrudes equally on both sides of the leaf and has a circular exit on the underside. The galls are usually spread out over the surface of the leaf and for the most part do not coalesce. Univoltine; pupation and hibernation in the soil.

Distribution: Widespread Palearctic, includ-

ing Norway, Sweden, Denmark and Finland.

Figures

FIGURE 39. A–B. Iteomyia capreae. A. Leaf galls on Salix caprea. B. Larva in opened gall on Salix aurita. C–D. Iteomyia major. C. Leaf galls on Salix myrsinifolia. D. Larvae in opened galls on same. Photos: H. Elven.