An irresistible scent makes locusts swarm, study finds

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The coronavirus isn't the only plague making headlines this year -- locusts are devastating crops in several parts of the world, and now ...

Record numbers of locusts have descended in devastating swarms across parts of Africa and Asia this year AFP/Shahid ALITOKYO: The coronavirus isn't the only plague making headlines this year - locusts are devastating crops in several parts of the world, and now scientists are discovering why the pest forms destructive swarms.

The study comes as record numbers of locusts devour crops in east Africa and threaten the food supply in Pakistan. The team then examined how the locusts picked up the scent, and isolated the part of the locust antennae responsible for detecting the swarming pheromone. There are other avenues too, including weaponising the chemical, by using a synthetic form of it to bait traps to catch locusts.

 

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