Illustrative image appears to show Andrena rosae, undated. Three extremely rare types of bees have been discovered at a botanical garden in Central Germany. (NewsX/Bee)
Picture shows a bee on a flower, undated. The combination of honey bees and mason bees as pollinators yields a much bigger harvest than with only one species. (Julia Osterman, NewsX/Bee)
Biodiversity expert Lina Herbertsson speaks in undated footage. Swedish scientists are encouraging farmers to refocus on traditional hay meadows. (NewsX/Bee)