This is the Rocky Mountain locust. A living example hasn’t been seen since 1902, so experts believe that they’re extinct. The species formed a final swarm in 1874 that was composed of over 12. ...

In 1874, a swarm estimated at 1 trillion insects infested an estimated 2 million square miles. Strangely, the Rocky Mountain Locust, the grasshopper species responsible for the plague, ...

The passenger pigeon once darkened the skies over the Midwest (they went extinct in 1914). A swarm of Rocky Mountain locusts once covered over 198,000 square miles (they went extinct in 1902). But ...

The passenger pigeon once darkened the skies over the Midwest (they went extinct in 1914). A swarm of Rocky Mountain locusts once covered over 198,000 square miles (they went extinct in 1902). But ...

In 1874, a swarm estimated at 1 trillion insects infested an estimated 2 million square miles. Strangely, the Rocky Mountain Locust — the grasshopper responsible for the plague — has been ...

The Locust Plague in the United States; being more particularly a Treatise on the Rocky Mountain Locust, or so-called Grasshopper, as it occurs East of the Rocky Mountains, with Practical ...