After experiencing several political upheavals and natural disasters, Liberia is now facing another kind of problem, this time a biological invader.   Small but highly destructive armyworms have made their way to several Liberian farms, and are munching away happily at the crops.   The peasant farmers of Liberia – most of that country’s population – are wringing their hands in despair at seeing their lush crops being eaten away.

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Why do normally harmless desert locusts suddenly become aggressive and cause widespread destruction in farms?   The answer has now been obtained, and the discovery has excited the animal control world. (more…)