closeup on a large european sand wasp, bembix rostrata eating a drone fly prey

arthropoda arthropod bembix rostrata crabronidae diptera eristalis european hymenoptera insect nature syrphidae wasp animal behavior behaviour biology black closeup digger drone fly eating entomology flower ground nesting hoverfly invertebrate large macro outdoors predation prey sand single solitary square headed wild wildlife yellow natural dronfly