Acantholyda posticalis (Matsumura, 1912)

Acantholyda posticalis

One of two species in this genus in Britain. The head and thorax is richly marked with cream on a black background. The abdomen is black above with orange sides and white underside. Most often found in the Caledonian pine forests of Scotland.
Larvae feed on pine in communal webs.

Size: 11 - 15mm

Status: Local

Distribution: England, Scotland

Flight period: May to July

Plant associations: Pinus spp. (pines)

See other species in this genus

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