The last grasshopper life cycle is to mature and ready to reproduce. After 25 - 30 days after hatching, the grasshopper will develop the full wing and the young nymph has metamorphosed into adult locusts. Thus, the grapevine life cycle process from the laying of eggs to adulthood takes about 11-12 months.At the time of adulthood, locust reproductive ability grasshoppers will mature within 15 days and last up to 30 days.In contrast to nymphs who do not have wings, adult locusts become much more active and often move places to find food and survive the attack of predators.