desert locusts eating lush new vegetation after drought breaking rains.

acrididae adult africa african agricultural animals asia breaking change climate crops desert destroy destruction devastation disaster drought east eating ecosystem emergency environment eritrea ethiopia family food grasshopper green gregaria gregarious india insect invasion its kenya livelihood locust locusts lush malagasy middle migration migratory national nature new outbreak plague plagues polyphagous production rains safari samburu schistocerca shorthorned somalia supply swarm swarming vegetation vulnerable wildlife wings