In rain-short Niger, wasps deployed in war on crop-munching worm
As millet-destroying worm thrives in drier conditions, farmers learn how to breed wasps that can control the pest damaging their food supplies and incomes. THOMSON REUTERS FOUNDATION
As millet-destroying worm thrives in drier conditions, farmers learn how to breed wasps that can control the pest damaging their food supplies and incomes. THOMSON REUTERS FOUNDATION