bee fly (syrphidae) feeding on pollen on calendula arvensis and pollinating

insect flower yellow invertebrate plant animal bee honeybee petal wildflower pollen pollinator nature arthropod fly syrphidae calendula arvensis calendula insect flower nature yellow bee macro bloom daisy winter flora belle dandelion orchard garden wild wildflower petal pollen leaves close-up biology beautiful animal background beauty blossom closeup color colorful detail field floral green leaf meadow natural plant season