International experts have gathered in Zimbabwe to discuss an outbreak of armyworms that are damaging crops in several African countries. The three-day meeting in Harare will try to come up with a comprehensive plan to halt the advance of the caterpillars.
The UN Food and Agriculture Organisation has warned that the pests could cause widespread food shortages in regions that are already struggling with drought.
The current outbreak has been blamed on a species of armyworm native to the Americas, it’s not clear how they reached Africa. Zimbabwe, Zambia, Malawi and South Africa are among the countries affected.