closeup on a yellow banded wasp mimic hoverfly, megasyrphus erraticus sitting on a white heracleum sphondylium flower

arthropoda apiaceae arthropod austria diptera flora heracleum sphondylium hogweed insect megasyrphus erraticus nature plant syrphidae animal banded biennial biology botanical botany closeup cow parsnip entomology flower fly flowering herbaceous perennial hoverfly invertebrate macro outdoors single umbellifers wasp mimic white wild wildflower wildlife yellow pattern natural sitting