* Placochela nigripes (Löw, 1877)

(Figure 13)

Material: RI, Suldal: Nesflaten, 59.650602°N 6.814014°E ± 20m, 25 June 2022, on Sambucus nigra, LMF, leg. HE, coll. NHMO ; AK, Oslo: Gressholmen, 59.884711°N 10.722197°E ± 300m, 26 June 2019, on Ligustrum vulgare, LMF, leg. HE, ZF & AK, BOLD: NHMO-ENT-548175, coll. NHMO ; Ormøya, 59.875082°N 10.760985°E ± 6m, 18 June 2020, on Sambucus nigra, 1L, leg. HE & TS, coll. NHMO ; 59.874716°N 10.759429°E ± 20m, 18 June 2020, on Sambucus nigra, 8L, leg. HE & TS, coll. NHMO .

Biology: The orange larvae develop gregariously in galled flowers of Ligustrum vulgare ( Oleaceae), Lonicera xylosteum ( Caprifoliaceae), Sambucus ebulus and S. nigra ( Viburnaceae). Infected flowers are more or less swollen and do not open. Univoltine; hibernation in the soil. The species is redescribed in Tokuda et al. (2005).

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