One of the black Arge species with a metallic sheen to the thorax and abdomen. Hairs on the face and mesopleura are silvery white. The wings are almost entirely hyaline with at most a small blotch under the stigma. The legs are dark except for pale bases to the hind tibia. Adults will visit hogweed.
Larvae feed on Filipendula ulmaria (L).
Status: Local, widespread
Distribution: Throughout Britain and ireland
Flight period: Bivoltine, May to September
Plant associations: Filipendula ulmaria (L), meadowsweet
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168