Monophadnoides ruficruris (Brullé, 1832)

Monophadnoides ruficruris

The thorax is black and the abdomen almost so, but the pronotal margin and tegulae are yellow. The hind tibia are yellow. The head with the supra-antennal grooves faint or absent. Tarsal claws are bifid with the inner and outer tooth well apart.

Monophadnoides ruficruris larvae have branched spines and feed on brambles, etc.

Size: 6 - 8mm

Status: Common

Distribution: England, Scotland, Wales

Flight period: May to June

Plant associations: Rubus spp.(brambles, etc.)

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