Many species of bee are on the brink of extinction in parts of the UK – and some types have been lost entirely, a report has found. Climate change, habitat loss, pollution and disease are threatening the pollinators, the analysis of 228 species concluded. It discovered that 17 species were regionally extinct – including the Great Yellow Bumblebee, the Potter Flower Bee and the Cliff Mason Bee – with 25 types threatened and another 31 of conservation concern. The bee’s pollinating services are worth £690m a year to the UK economy. Published on World Bee Day, the ‘Bees Under Siege’ report by WWF and Buglife recommends a number of conservation actions to help reverse declines: Ensure that…