Periodical cicadas will emerge in 2024. Here's what you need to know about these buzzing bugs.
CBSN
Periodical cicadas aren't present every spring, but when they do emerge, they come in loud, buzzing hordes. This year, trillions of these beady-eyed bugs are expected to appear in several U.S. states. Here's what you need to know about cicadas.
There are two types of periodical cicadas — ones that come out every 13 years and ones that come out every 17 years. They emerge in broods, which are labeled with Roman numerals.

The peace and tranquility of Muir Woods, just north of San Francisco – home to 500+ acres of old-growth redwoods – make it just about the last place you'd expect to find a fight brewing. "The fact that they're taking down whole groups of signs about climate change and our nation's history is disappointing, and embarrassing," said retired U.S. Park Ranger Lucy Scott In:

We share our planet with maybe 10 million species of plants, animals, birds, fish, fungi and bugs. And to help identify them, millions of people are using a free phone app. "Currently we have about six million people using the platform every month," said Scott Loarie, the executive director of iNaturalist, a nonprofit.











