Arge rustica
A black species lacking any metallic sheen and dull in appearance. The apex of fore wing cell 2R1 is darker than the rest of the wing. In the female, the first tergite is deeply divided to reveal a pale membranous patch and the apical margins of several other tergites are yellow centrally.
Larvae feed on oaks associated with larger old woodlands.
Status: Local
Distribution: England
Flight period: May to June
Plant associations: Quercus spp. (oaks)
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