Arge gracilicornis is one of the black species. The apical margins of the wings are finely ciliate. Cell 2RS of the forewing is wider at the top than at the bottom due to vein 3rm being sinuate.
Larvae feed on raspberry and brambles.
Status: Commonest in the south.
Distribution: England, Scotland, Wales, Ireland
Flight period: Uni- or bivoltine, May to June and sometimes July to September
Plant associations: Rubus idaeus (raspberry) and Rubus spp. (brambles)
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