Pachyprotasis nigronotata

A largely green species which can be distinguished from the similar Pachyprotasis antennata by the green stigma (black in antennata). Known from a single specimen in Wales in 1941.

Pachyprotasis nigronotata larvae feed on a variety of herbaceous plants.

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Size: 7 - 9mm

Status: Very rare

Distribution: Wales

Flight period: June

Plant associations: Mentha aquatica, Alchemilla spp., Geum spp. and Plantago spp. (water mint, lady's mantle, avens and plantains)


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.