Pseudodineura mentiens

Femora entirely pale, or rarely with a small patch of infuscation.

In the female the pronotum is pale edged to almost completely pale. The abdomen is black but with a row of small pale spots dorsally along the midline. All the tarsal segments are pale. Males have an entirely black mesepisternum and the abdomen is black above and pale below.

Pseudodineura mentiens larvae mine the leaves of ornamental liver-leaf plants. Only leaves of the current year are mined.

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Size: Female: 4.5 - 6mm, male: 3.5 - 4.5mm

Status: Rare and introduced

Distribution: Scotland

Flight period: April to June

Plant associations: Hepatica transsilvanica (liver-leaf)


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.

Liston, A., Prous, M. and Vardal, H., 2019. The West Palaearctic Pseudodineura and Endophytus species (Hymenoptera, Tenthredinidae). Zootaxa, 4614(3), pp.511-528.