Locusts: An Emerging To India


Locust has damaged many crores of rupees crops in India. These locusts first came from India Pakistan border to India. These locusts first entered Rajasthan, then Madhya Pradesh, now these swarms are affecting the areas of Maharashtra, Uttar Pradesh, and Gujarat. Last year, these locusts attacked in the areas of Gujarat when they damaged 25000 hectares of crop.

Let us now tell you with the help of the map how this locust reached India




Locusts are the main family members of the grasshopper. Locusts and grasshoppers are the same in appearance, but locusts can exist in two different behavioral states (solitary and gregarious) but they both belong to the family of Acrididae.

Generally, these insects live alone, but due to some circumstances, they form a swarm or group of them. These circumstances can be of increase of chemical serotonin this chemical makes a normal locust, make a swarm, and causing damage of crops

Why this chemical serotonin formed in the locust?

When these locusts are overcrowded or increase, this situation results in swarming or an increase in physical stimulation of the Hind legs causing an increase in the level of serotonin. These cause locusts to:

1.Change in color

LOCUST color

2. Eat much more

3. Breed much more

4. They become gregarious from solitary nature


1. An adult Desert Locust can consume roughly its own weight in fresh food per day, that is about two grams every day.

2. A 1 km2 size swarm contains about 40 million locusts, which eat the same amount of food in one day as about 35,000 people. This is based on a person eating an average of 2.3 kg of food per day, according to the USDA.

3. A female desert locust lays eggs in sandy soil below 10 to 15 cm.

4. Desert locusts can travel at speed of up to 12 miles per hour.

Government action to prevent locusts attack

The government is taking tough steps to prevent locusts. The central government has announced a slew of measures, including buying more sprayers to using drones and tractors to stop the locust swarms. The Centre has set up teams with the administrations in Rajasthan, Gujarat, Madhya Pradesh, and other states to check the menace.

Prevention of locust

killing locusts is very difficult because it is a very powerful flyer but the government is constantly working on it. Delhi government issue advisory on the preventive measure to control the probable locust attack in the national capital

Name of chemicalDose (gm/ml) per hectareDilution in water (litre) per hectare
Malathion 50% EC1850500 litre
Malathion 25% WP3700500 litre
Chloropyriphos 20% EC1200500 litre
Chloropyriphos 50% EC500500 litre

sprayed as pesticides on crops in the evening to prevent locust attacks

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