leaf affected by aphids, the tree withered due to aphids, aphids were killed by spraying with insecticide. dead aphids

agriculture aphid aphidoidea aphids biology blackfly britannica bug closeup colony control damage dead detail disease diseased foliage garden gardening green greenfly greenhouse harmful infection insect insecticide insects leaf leaves lice macro mealybug micro nature nymphs parasite parasites pest pests plant plum sick small stem sucking tiny treat treatment tree withered