most laborious worker in the insect world flies like a race to collect as much pollen as possible. detail on flies european honey

agriculture allergy antennae apis avium bee berberis berry blossom bug bumblebee cerasus cerise cherry collecting eating farm flight flower fly fruit gathering herb honey hovering insect invertebrate japan juicy macro mellifera nectar pink plant pollen pollinate pollination prunus serrulata shrubs spring springtime summer sweet wild wildlife wing wingspan worker yellow