Lythrum salicaria
Wetlands including bog, fen and marsh, pond-side and riverine fen and alluvial wetlands, such as oxbow lakes. Flowers visited include "Alisma plantago-aquatica", Caltha, "Cardamine pratense", "Cicuta viros", "Lythrum salicaria", "Menyanthes trifoliata", "Nymphaea alba", "Potentilla anserina", "Ranunculus", "Lychnis flos-cuculi", "Sorbus aucuparia", "Crataegus" and "Anthriscus sylvestris".