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Photo credit: User:Alvesgaspar Plagues of the desert locust ( the scientific name being Schistocerca gregaria) have threatened agricultural production in Africa, the Middle East and Asia for centuries. The livelihood of at least one-tenth of the world’s human population can be affected by this hungry insect. The desert locust is potentially the most dangerous of the locust pests because of the ability of swarms to fly rapidly across great distances. The 2004 desert locust outbreak has caused significant crop losses in West Africa and had a negative impact on food security in the region.