Half of Malawi’s maize has been infected by crop-munching armyworms. The pest has infested 35,870 hectares, or 50.3 percent, of the planted irrigation maize by October. Last month the report that we got was about 50 percent. Despite damage inflicted by armyworm, Malawi produced a bumper 2017 crop of around 3.2 million tonnes, paving the way for government to lift a two-year maize export ban. Infestations of the pest have erupted across Africa including in Zambia, Zimbabwe and South Africa. The pest has also been detected in the island nations of the Seychelles and Madagascar.