Bumblebees collect pollen by various methods. Some types of flowers, such as potato plants, need tougher treatment to make them release their pollen. In these cases, the bee uses a technique called “buzz pollination” where it bites the flower’s anthers and shakes them. Bumblebees collect pollen by various methods. Some types of flowers, such as potato plants, need tougher treatment to make them release their pollen. In these cases, the bee uses a technique called “buzz pollination” where it bites the flower’s anthers and shakes them. Plants & Animals Ecology Phys.org – latest science and technology news stories