Ametastegia carpini
A genus of slender, elongate sawflies. This species has an entirely black abdomen and mostly dark hind legs but with at least hind trochanters partly white. The tegulae are usually white. The scutellum is shining and impunctate in the middle.
Size: 6 - 8mm
Status: Local
Distribution: England, Scotland, Wales, Ireland
Flight period: bi- or multivoltine, May to June, July to August
Plant associations: Geranium spp. incl. robertianum, pratense, sanguineum, sylvaticum (crane's-bills)
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