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

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