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)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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References:
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