How Do Cicadas Know When to Emerge from the Ground?

By Kevin Fitzgerald If you’ve never seen a cicada, you’ve certainly heard them, filling summer days and nights with their loud, raspy love songs. If you’ve seen any, you’re not likely to forget, since they are impressive insects. In the U.S., they grow up to 1.5 inches long, with wingspans of up to two inches. […]

Source: Entomology Today