Rabdophaga albipennisRabdophaga albipennis is a gall midge which forms galls on the shoots of white willow.DescriptionThe gall is a slight swelling on a twig just below a bud on white willow. Inside the gall is a reddish-orange larvae which later makes an emergence hole in the twig or bud and overwinters in the gall.DistributionThe insect or gall has been found in Great Britain and Italy.