Скачать или смотреть Desert locust (Schistocerca gregaria) | Migratory Insect

Desert locust (Schistocerca gregaria) laying eggs in soil | Migratory Insect 🐝

The desert locust (Schistocerca gregaria is a species of locust, a periodically swarming, short-horned grasshopper in the family Acrididae. They are found primarily in the deserts and dry areas of northern and eastern Africa, Arabia, and southwest Asia.

During population surge years, they may extend north into parts of western Spain and southern Italy, south into Eastern Africa, and east in northern India. The desert locust shows periodic changes in its body form and can change in response to environmental conditions, over several generations, from a solitary, shorter-winged, highly fecund, non-migratory form to a gregarious, long-winged, and migratory phase in which they may travel long distances into new areas. In some years, they may thus form locust plagues, invading new areas, where they may consume all vegetation including crops, and at other times, they may live unnoticed in small numbers.

A typical swarm can be made up of 150 million locusts per square kilometre (390,000,000 per square mile) and fly in the direction of the prevailing wind, up to 150 kilometres (93 mi) in one day. Even a very small, 1-square-kilometre (0.39 sq mi) locust swarm can eat the same amount of food in a day as about 35,000 people

Life cycle:

🐝 The lifecycle of the desert locust consists of three stages, the egg, the nymph known as a hopper, and the winged adult.

🐝The female locust then seeks suitable soft soil in which to lay her eggs.

🐝She probes the soil with her abdomen and digs a hole into which an egg pod containing up to 100 eggs is deposited.

🐝 The egg pod is 3 to 4 cm long and the lower end is about 10 cm (4 in) below the surface of the ground.

#insects #nature #agriculture
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