Ametastegia equiseti (Fallén, 1808)

Ametastegia equiseti

A genus of slim, elongate sawflies. This species is the only one in this genus with a 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).


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.