Trichiosoma scalesii Leach, 1817

Trichiosoma scalesii

Rare in Britain and Ireland. The female abdomen is black above and reddish-brown at the sides and underneath. Only weakly hairy from the third tergite to the apical segments.

Larvae feed on willows.


Size: 15 - 22mm

Status: Rare

Distribution: England

Flight period: May to June

Plant associations: Salix spp. (willows)


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.