drone fly (eristalis pertinax), a hoverfly honeybee mimic. on plum leaf

green insect leaf nature animal invertebrate flower arthropod plant wildlife beetle grass tree branch fly drone eristalis pertinax hoverfly honeybee mimic plum biology pollinate hover-fly eye syrphid syrphids dipterous copy winged side space hover fly pertinax syrphidae macro flower common syrphid outdoors dipterans wings nature summer insect spring green macro hoverfly eristalis hover closeup garden meadow petal yellow pollen detail animal entomology close-up drone pollinator brown diptera horizontal wildlife front