Components of the venom cocktail used by wild bees such as the Banded Mud-Bee (Megachile ericetorum) are evolutionarily older than their sting, undated photo. (Bjrn von Reumont, NewsX/Bee)
Picture shows Andrena pellucens, undated. Environmentalists in Austria have revealed the "sensational" discovery of a rare solitary pollinator. (Karim Strohriegl, NewsX/Bee)