Ametastegia equiseti (Fallén, 1808)

Ametastegia equiseti

A genus of slim, elongate sawflies. This species is the only one in this genus with an red-girdled black body and orange hind femora.
Larvae feed on a variety of herbaceous plants.

Size: 5.5 - 7mm

Status: Common

Distribution: England, Scotland, Wales, Ireland

Flight period: bi- or multivoltine. May to August

Plant associations: Chenopodium album (fat hen), Polygonum persicaria (redshank), Rumex acetosella (sheep's sorrel) and Lythrum salicaria (purple loosestrife).

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