One of the black and yellow species. A. ochropus can be separated from Arge pagana by the yellow pronotum and tegulae and yellow legs with black rings on the apices of the tibiae and tarsi. In Arge pagana these body parts are suffused with black.
Larvae feed on roses.
Status: Locally common
Flight period: Uni- or bivoltine, June to August
Plant associations: Rosa spp. (roses)
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