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Scientists hope hungry weevils from Louisiana can tackle South Africa's invasive water plants
South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia minima, an alien species of aquatic plant native to South America that is choking up dams and rivers
South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia minima, an alien species of aquatic plant native to South America that is choking up dams and rivers
