close-up detail of a drone hover fly eristalis tenax feeding on a cow parsley flower anthriscus sylvestris on a sunny day in s

abdomen action animal animals anthriscus beauty behaviour biodiversity biosphere black british chain chitin climate close colour common compound conservation cycle daffodil detail devon diptera ecology eristalis exoskeleton eye feed food fragility garden global hair head insect invertebrate life macro meadow nature nectar north parsley pattern pollination resting seasons single spring stripe structure study sylvestris syrphidae tenax the thorax umbelliferae warming wild wings