Whiteflies - Africa's main cassava pest causes damage to crops. Maurice/FlickrThe dreaded crop-eating fall armyworm continues to spread across Africa like wildfire. This invasive insect pest, first reported in Africa in early 2016, is in more than 20 African countries including South Sudan and South Africa. It has destroyed many staple crops like maize. Damage to maize alone by this pest could total USD billion in the next 12 months. Crop losses in African countries due to insect pests are estim