Arge rustica (Linnaeus, 1758)

Arge rustica

Arge rustica is a black species lacking any metallic sheen and dull in appearance. The apex of the marginal cell 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.

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Status: Local

Distribution: England

Flight period: May to June

Plant associations: Quercus spp. (oaks)

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