apis mellifera collecting nectar from melanthera genus plant

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