A local farmer displays maize plant leaves damaged by fall armyworm caterpillars on a farm in the Trans Mzoia region of Kenya, on Wednesday, May 24, 2017. A fall armyworm outbreak in Kenya has affected more than a government estimate of more than 100,000 hectares just weeks ago, according to Director of Crops in Agriculture Ministry Johnson Irungu. Photographer: Riccardo Gangale/Bloomberg via Getty Images