western honey bee collecting pollen from male catkin willow salix sp.. bee will later produce honey

ament anemophily apiarists apiculturists apis bee beekeeper bloom blooming blossom bud bush catkin collecting detail environment european farmers floral flower fly flying food fresh honey honeybee inflorescence insect later male mellifera natural nature nectar osier plant pollen pollinating produce raceme salix sallow shrub source spring springtime sweet twig western wild will willow yellow