Microdiprion pallipes (Fallén, 1808)

Microdiprion pallipes

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

Status: Rare

Distribution: England, Scotland, Wales

Flight period: Univoltine, May to June

Plant associations: Pinus spp., especially sylvestris (pines, especially Scots pine)


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