Dolerus fumosus
A smaller, slender all black Dolerus species. In females the sawsheath is not dilated in dorsal view and with outward directed curved setae. The penis valve in males is distinctive.
Larvae feed on grasses.
Size: 6 - 8mm
Status: Common
Distribution: England, Scotland, Wales
Flight period: April to June
Plant associations: Gramineae (grasses)
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- Dolerus fumosus male
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- Dolerus fumosus male
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