Howardian Local Nature Reserve Close Window ~ Robin's pincushion, Bedeguar Gall Diplolepis rosae ~ September Bedeguar galls are formed on the wild rose by larvae of the gall-wasp Diplolepis rosae, it is not the product of a single larva but a group of larvae each residing in its own chamber in the gall. The wasps over winter in the gall emerging as adults in spring, they reproduce without males ~ parthenogenetically. Howardian Local Nature Reserve Back to top