Bedeguar Gall Wasp - Diplolepis rosae

Alt Name
Robin's Pincushion
Description

The female insects are about 4 mm long; parts of their abdomens and legs are an amber/chestnut colour, while the rest of the body is black. The male (length of about 3 mm) is very rare. It is black and its legs are bi-coloured. The gall is more likely to be seen than the adult wasp.

Habitat

Anywhere that the Dog-rose plant is found.

When to see it

From May onwards.

Life History

A Bedeguar Gall (also known as Robin's Pincushion) is not the product of a single larva but a group of larvae, each residing in their own chamber within the gall. Diplolepis rosae overwinters in the gall emerging as adult wasps in spring. The adult wasps reproduce not needing males i.e. parthenogenetically.

UK Status

Fairly common throughout Britain.

VC55 Status

Fairly common in Leicestershire and Rutland.

Leicestershire & Rutland Map

UK Map