Pseudodineura fuscula
The pronotum is completely black. Femora with at least the base completely black on one or both surfaces. In the female the upper portion of mesepisternum is shiny without sculpture between setae. Abdomen black. Males are best determined by the shape of the penis valve.
Pseudodineura fuscula larvae mine the leaves and petioles of various cut-leaved buttercups.
Size: Female: 2.5 - 5mm, male: 3.5 - 4.5mm
Status: Widespread
Distribution: England, Scotland, Ireland
Flight period: April to June
Plant associations: Ranunculus spp. incl. Ranunculus repens and Ranunculus acris. (buttercups incl. creeping and meadow buttercup)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Pseudodineura fuscula larva (Hungarian specimen) Credit György Csóka
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- Pseudodineura fuscula mine (Hungarian specimen) Credit György Csóka
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
Liston, A., Prous, M. and Vardal, H., 2019. The West Palaearctic Pseudodineura and Endophytus species (Hymenoptera, Tenthredinidae). Zootaxa, 4614(3), pp.511-528.