aphids damage leaves parasite pest. aphidoidea colony damages trees in the garden by eating leaves. colony of black fly insects

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