The saviors ​ — two species of weevil that eat water hyacinth and nothing else — ​ have succeeded where machinery has failed and where chemicals would pollute the water and kill other plants, explains New Scientist.
Para penyelamat itu ​ — dua spesies kumbang moncong yang hanya memakan eceng gondok ​ — telah berhasil sedangkan mesin mengalami kegagalan dan bahan kimia malah mencemari air dan membunuh tanaman lain, jelas New Scientist.