Invasion of fall armyworms ravages crops in 20 African countries

Insect to cause $3bn damage to maize in next 12 months and serious food shortages An invasion of fall armyworms from the Americas has ravaged crops across more than 20 African countries, putting hundreds of millions of people at risk of hunger. Experts warned this week that the continent will struggle to contain the threat posed by the 3.4cm…

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