apis mellifera honey bee feeding on bidens genus plant

flower plant green nature wildflower insect petal invertebrate apis mellifera honey bee species apidae family bees worldwide western european continent antarctica domesticated crop pollination 2600bc eastern cerana south southeast east asia 17th century colonists brought subspecies america: german ligustica italian pollinator crops collecting nectar clear liquid water complex sugars biological mixture inverted glucose fructose threatened pests diseases colony collapse disorder maya biosphere reserve mbr petén department northern guatemala feeding bidens genus