At a Glance Rainfall from October to mid-November was as much as 300% above average.Locusts thrive in wet conditions.A single swarm can contain hundreds of millions of locusts. A plague of millions of desert locusts is destroying crops and livelihoods as swarms spread across parts of East Africa, fueled by extreme weather. - potentially carrying hundreds of millions of locusts - are sweeping through Ethiopia, Kenya and Somalia, the United Nations' Food and Agriculture said in a press release Monday....