Kenya begins pesticide spraying to fight ‘locust swarm of the century,’ but critics abound

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A Kenyan farmer from the Kyuso region inspects her devastated field after a swarm of locusts passes through. Credit: Reuters/Baz Ratner

As the devastating locust invasion continues to spread in East Africa and a new wave of locusts is gathering, pesticide spraying seems the only possible option for Kenya, despite the possible risks to the environment.

On February 17, the Kenyan government launched a large-scale spraying operation in Wajir, Samburu, and Marsabit counties, where the swarms laid their eggs, and which have now hatched.

โ€œThis is the best time to kill them,โ€ said Mehari Tesfayohannes Ghebre,ย Information and Forecasting Officer for the Desert Locust Control Organization in East Africa.

… After Somalia, Ethiopia, and Kenya, swarms are now reaching Uganda, Tanzania, and southern Sudan, while billions of eggs are maturing, promising the arrival of a devastating second wave. The first has already destroyed thousands of hectares in a region where 13 million people are already severely food insecure.

The pesticides used are numerous: fenitrothion, chlorpyrifos, fipronil, deltamethrin, diflubenzuron, teflubenzuron, triflumuron.

There is, however, debate in Kenya about this solution. โ€œThese products donโ€™t only affect locusts, they kill โ€˜usefulโ€™ insects, such as bees and beetles,โ€ says [Timothy] Munywoki [senior agronomist with Amiran Kenya Limited, a major horticultural agribusiness in Kenya]. And without bees, there is no pollination, so no fruit.

โ€œIf you kill the โ€˜beneficialโ€™ insects that feed on other โ€˜harmfulโ€™ insects, it means that you will have to continue spraying chemicals to chase them away,โ€ warned Munywoki.

The Department of Agriculture says all the tests have been done and the products are safe for humans and animals.

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