Dolerus picipes
Recorded widely across most of mainland Britain (Musgrove, 2023).
An entirely black species. In females, the sawsheath is very broad at the tip (as wide as the apical width of the hind tibia) with long curved setae. In both sexes there is a shiny unpunctured area adjacent to the sulci posterior to the ocelli. Males can be determined by the penis valve.
Dolerus picipes larvae feed on grasses.
Size: 8-9mm
GB IUCN Status: Least Concern
GB Rarity Status: None
Distribution: England, Scotland, Wales, Ireland
Flight period: April to June
Plant associations: Gramineae (grasses)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Dolerus picipes male
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- Dolerus picipes male
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- Dolerus picipes male
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- Dolerus picipes male
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- Dolerus picipes male
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- Dolerus picipes penis valve Credit Andrew Green
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
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 Natural England, unpublished