How to Control the Locust Attack?


Pakistan and India are currently under a locust attack. Various means are being adopted to combat the swarms of locusts, which are a significant threat to crops and therefore the economy. The attack in 2020, the worst plague of locusts in 70 years has already affected East Africa; many locusts have now invaded Middle East countries like Yemen, Bahrain, Kuwait, Qatar, and Saudi Arabia from the Horn of Africa. People report biblical scenes as thick giant swarms of locusts to darken the sky. The swarms are currently ravaging East Africa. In recent weeks, the insects spread to South Sudan, Uganda, and Tanzania, after having devastated crops throughout Ethiopia, Kenya, and Somalia.

In order to interrupt a locust swarm apart, then, should we be watching reducing their cannibalistic tendencies by providing alternative food sources? Probably not! Providing sufficient food for therefore many voracious appetites, during a coordinated manner, would be a near-impossible task. It may even fuel the progress of the swarm.

Instead, our studies demonstrate how susceptible locust swarms are to randomness. If we can increase the randomness or “noise” a swarm experience, then we might be able to break it apart. This idea could be harnessed as a swarm-management strategy, using low-flying planes to make an atmospheric disturbance to disrupt locusts.

The huge size of swarms, however, makes this method impractical, too. A typical locust swarm can cover several hundred square kilometers. Locusts can fly up to 2 kilometers within the air and have even been reported to travel over whole oceans. It can comprise tens of many locusts, each eating their weight in food a day. However, we hope that by conducting further research we'd find better ways to interrupt up swarms using similar methods.

In the past, management strategies have typically focused on creating exclusion zones by burning tires to make an exclusion zone, catching them in nets, or digging trenches. At best, these local measures will prevent locusts from reaching a specific area but can do little to halt the progress of the swarm.

Currently, the most commonly used control is insecticide. Sprayed from land or aerial vehicles, whole swarms are often targeted in relatively short periods of your time. However, this has led to some environmental concerns.

However, one among the foremost effective ways to avoid the devastating effects of locust plagues is to stop them from happening within the first place. Considerable resources are allocated to early warning and preventative control strategies. Locust monitoring stations collect data on weather, ecological conditions, and locust numbers, making forecasts of the timing and site of breeding.
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