large walnut aphid panaphis juglandis on the upper side of leaf of walnut juglans regia

adults agriculture animal ant ants aphid aphids background beautiful black clipping close closeup day detail food garden green greenfly group heap herd honeydew ingredient insect isolated juglandis juglans kernel large leaf macro natural nature nut nuts nutshell nymphs orchard outdoors panaphis path pest plant regia shell side small summer tending texture tree trees upper view vintage walnut walnuts