Question
Discuss different phases of locust.
Answer :
Word Count : 504
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Locusts are a group of short-horned grasshoppers that are notorious for their ability to form massive swarms, causing severe agricultural damage. Understanding the life cycle and phases of locusts is crucial in applied entomology for effective pest management. The life cycle of a locust consists of three main stages: egg, nymph (hopper), and adult, with distinct behavioral and physiological changes marking each phase. The first phase is the egg stage, which begins when female locusts lay eggs in moist, sandy soil, often in pods containing 50–100 eggs. The selection of the oviposition site is influenced by soil moisture, texture, and temperature, as these factors affect egg viability and hatching success. The eggs are typically covered with a foamy secretion that protects them from desiccation and predators. Depending on environmental conditions, particularly temperature, the incubation period can last from one to several weeks. This stage is critical in applied entomology for targeted control measures, such as soil treatment or plowing, to destroy egg pods before hatching. The second phase is the nymphal or hopper stage, which follows the hatching of eggs. Nymphs
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