Stethomostus funereus
A small black sawfly with smokey wings. The hind margin of the mesoscutellum and the prepectal sulcus are lined with large punctures. The legs are dark on the coxae, trochanters and bases of the femora. The apical apices of the femora (at least) and the entire tibiae and tarsi are yellow.
Larvae are unknown.
Size: 5 - 6mm
Status: Rare
Distribution: England
Flight period: May to August
Plant associations: Unknown (unknown)
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