Macrophya ribis (Schrank, 1781)

Macrophya ribis

Very similar to the slightly larger Macrophya albicincta and alboannulata but in ribis the head has dense, coarse punctures above and on the temples, whereas in the two similar species this area is almost impunctate. A wholly black and white species.
Larvae feed on elder.

Size: 8 - 10mm

Status: Locally abundant

Distribution: England, Wales

Flight period: May to July

Plant associations: Sambucus nigra (elder)

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