Mainly black with pale legs. Abdomen shining. The scutellum is longer than broad and acutely angled in front. Claws without an inner tooth.
Larvae feed on pines, especially Scots pine. Small trees up to 1.5m are preferred. Larvae feed in groups on young needles initially, then moving on to old needles.
Size: 5 - 7mm
Distribution: England, Scotland, Wales
Flight period: Univoltine, May to June
Plant associations: Pinus spp., especially sylvestris (pines, especially Scots pine)
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
Olofsson, E., 1994. Biology and outbreaks of Microdiprion pallipes (Hymenoptera; Diprionidae) in Sweden, Studia Forestalia Suecica, vol. 193, Uppsala