Acantholyda posticalis
Acantholyda posticalis is 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. (two-needle pines) incl...
Pinus sylvestris (Scots pine) preferred (3)
Pinus nigra (Austrian pine) (3)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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References:
1. Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
2. 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
3. Viitasaari, M. ed., 2002. Sawflies (Hymenoptera, Symphyta), I: a review of the suborder, the Western Palaearctic taxa of Xyeloidea and Pamphilioidea (Vol. 1). Tremex Press.