12.5 trillion insects swarm of locusts swarmed the western US in 1875

12.5 trillion insects swarm of locusts swarmed the western US in 1875

The Rocky Mountain locust ¬†was the locust species that ranged through the western half of the United States and some western portions of Canada until the end of the 19th century. Sightings often placed their swarms in numbers far larger than any other species of locust, with one famed sighting estimated at 198,000 square miles […]