Hoplocampa chrysorrhoea (Klug, 1816)

Hoplocampa chrysorrhoea

One of three species attached to wild plum species. The abdomen is mostly yellow underneath. The antennae are infuscate. The legs are yellow with the apices of the tibiae and tarsae slightly infuscate. The hind tarsus is about as long as the hind tibia. Males can be determined by the penis valve.
Larvae feed in the fruits of wild plums and sloes.

Size: 4 to 4.5mm

Status: Common

Distribution: England, Scotland, Wales, Ireland

Flight period: April to May

Plant associations: Prunus spinosa, etc. (blackthorn and wild plum species)

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