A plague of locusts greater than any Argentina has seen in 60 years is threatening to destroy that nation’s farms. The insatiable insects now cover a territory the size of Delaware, and authorities ...

Locusts descended upon East Africa in January. The next month, a swarm blanketed a huge Kenyan lakeshore, transforming the ground into buzzing, yellow fields. Now in May, the locust outbreak isn't ...

Most of the time, the desert locust, Schistocerca gregaria, is an innocuous grasshopper: a green or brown short-winged insect that lives a solitary life in the deserts of Africa, Arabia and Asia. But ...

Locusts are usually harmless loners. But together, they become plagues. When conditions are right, solitary locusts begin congregating and transmogrifying into their “gregarious” form, becoming a ...