branch of fruit tree with wrinkled leaves affected by black aphid. cherry aphids, black fly on cherry tree, severe damage from

affected agriculture animal aphid aphidoidea aphids background biology black branch brown bug cherry closeup colony damage damaged danger disease fly food fruit garden gardening green growth horror insect insecticide leaf leaves lice louse natural nature outdoor parasitic pathology pest pesticide pests plant problem rural scab severe sick small spot stem stinging stomaphis summer symbiotic tree vermin wildlife wrinkled