New research estimates around 20 million insect species on Earth — doubling those facing extinction

A focus-stacked image of the Aeshna affinis dragonfly found in southern Europe and Asia. (Wikimedia Commons/Sven Damerow), CC BY-SA The dragonfly that perches delicately on your foot as you drift on the lake. The mosquito you swat at around the campfire. The ants that march your cracker crumbs away. The bees that produced your delicious wildflower honey. We are surrounded by thousands of insects every day, some of them buzzing in our face, others almost invisible to our eyes. They come in a…