Recorded widely across much of mainland Britain to northern Scotland (Musgrove, 2023).
In Ametastegia pallipes the abdomen is entirely black above and below and with tegulae and hind legs mostly white. The scutellum is dulled by dense surface striations between the punctures.
Larvae feed on violets and can become a pest for commercial growers.
Size: 6 - 8mm
GB IUCN Status: Least Concern
GB Rarity Status: None
Distribution: England, Scotland, Wales, Ireland
Flight period: April to September
Plant associations: Viola spp. (violets and pansies)
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
Musgrove, A.J. 2023. A review of the status of sawflies of Great Britain - Phase 2: The Athaliidae and the Tenthredinidae (excluding Nematinae). Natural England, unpublished