and the UK, subclade 2A contains populations on Salix alba (section Salix, subgenus Salix) in The Netherlands and the UK, and subclade 2B consists of populations on section Helix in Poland, Phylicifoliae in Alaska, and Salix species in the Eastern Palaearctic Region. Distribution Rabdophaga rosaria is widely distributed throughout the United Kingdom and is locally common. It is abundant in Finland. Notes Sources Darlington, Arnold (1975) The Pocket Encyclopaedia of Plant Galls in Colour. Pub. Blandford Press. Poole. . Stubbs, F. B. Edit. (1986) Provisional Keys to British Plant Galls. Pub. Brit Plant Gall Soc. . External links Plant Parasites of Europe rosaria Diptera of Europe Gall-inducing insects Insects described in 1850 Taxa named by Hermann Loew Willow galls