Cicada Brood XIV is coming. See map of where they'll emerge this year.

Brood XIV, the latest radical of buzzing cicadas, are emerging this spring. This time, billions of them volition deed successful astatine slightest 12 states, experts say.

This brood, Brood XIV, is considered the 2nd largest periodical cicada brood, according to the University of Connecticut.

Brood XIV is 1 of 15 broods of periodical cicadas that look each 13 oregon 17 years, reported the Cincinnati Enquirer, portion of the USA TODAY network.

They travel retired of the crushed erstwhile ungraded temperatures scope 64 degrees. That typically happens during the 2nd fractional of May. While yearly cicadas look worldwide each year, periodical cicadas tin lone beryllium recovered successful the eastbound United States, the Enquirer reported.

Brood XIV: See the 2025 cicada map

Based connected past behaviors, the radical is apt making its quality successful Georgia, Kentucky, Maryland, Massachusetts, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia and West Virginia, and successful 9 confederate counties successful Indiana, said Gene Kritsky, laminitis of Cicada Safari, a radical that gathers information connected the insects.

This representation shows astir wherever Brood XIV is expected to marque an quality this spring, however, experts accidental it tin beryllium tricky to cognize precisely which counties volition person confirmed sightings.

Why it's hard to cognize precisely wherever broods volition emerge

John Cooley, an subordinate prof successful residence successful the Ecology and Evolutionary Biology section astatine the University of Connecticut, antecedently told USA TODAY that researchers find wherever cicadas volition look utilizing past records. The assemblage besides has a representation logging verified sightings of Brood XIV cicadas.

However, it's not truthful cut-and-dry erstwhile determining wherever definite broods volition be.

According to Cooley, sometimes broods get their wires crossed and extremity up emerging during off-cycles. Cicadas whitethorn look this outpouring successful areas specified arsenic New York, Washington D.C., Maryland, and South Carolina, but it doesn't mean they're portion of Brood XIV, Cooley said.

What's known for sure, helium said, is that successful Massachusetts, Brood XIV volition look successful a tiny portion of Cape Cod, successful New York, Brood XIV volition look connected a tiny portion of Long Island, and successful Indiana, the brood volition beryllium successful the confederate portion of the state, westbound of Louisville.

"There’s a spot of disorder ... successful confederate Ohio astir Cincinnati," Cooley said. "There’s rather a batch of off-cycle emergence, specified that broods whitethorn beryllium displacing each other."

Deborah Waller is an subordinate prof of biologic sciences astatine Old Dominion University. Referring to Cooley's erstwhile work, she said that older emergences occurred connected the authorities enactment but not wrong the authorities of South Carolina.

"There was an emergence astatine the confederate borderline of Indiana but nary emergence successful D.C.," she said. "It is apt that the 2025 emergence of Brood XIV volition travel the GPS-based representation of 2008."

More connected this year's brood: 13 states expected to beryllium buzzing with cicadas this year. Here's erstwhile and wherever they volition emerge.

How often bash these cicadas appear?

Brood XIV emerges each 17 years, truthful the past clip they emerged was 2008, said Kritsky. Brood XIV astir apt volition statesman to emerge during the 3rd week of April, oregon erstwhile areas get a “good rain,” Kritsky antecedently told USA TODAY.

According to Kritsky, this is the bid successful which they’ll apt emerge:

• Third week of April – bluish Georgia

• Fourth week of April – confederate Tennessee and South Carolina

• First week of May – cardinal Ohio, bluish Tennessee, occidental Virginia

• Second oregon 3rd week of May – West Virginia, bluish Kentucky, confederate Ohio, Maryland and Massachusetts

Cooley, from the University of Connecticut, antecedently said Kentucky and Tennessee volition apt spot the astir cicadas this year. Other states with ample numbers of cicadas volition beryllium Georgia, the Carolinas and Pennsylvania, helium said.

Brood XIV: Are cicadas returning this year? What to cognize astir Brood XIV and wherever to spot them

What’s the beingness rhythm of a cicada?

Cicadas are portion of the hemiptera order, the aforesaid radical that includes stink bugs, furniture bugs, aphids and cicada families, Kritsky said. Periodical cicadas similar Brood XIV lone hap successful the eastbound fractional of the U.S., helium said.

The insects successful this brood walk years underground, emerging each 17 years. They are known for the buzzing dependable the males make. The males sing 3 antithetic types of songs and duet with the females earlier mating, said Cooley from the University of Connecticut.

Once they mate, the females laic eggs successful histrion branches. Around 6 to 10 weeks later, the eggs hatch and the babies driblet to the ground, said Kritsky. The juveniles past spell beneath the crushed and provender connected writer roots.

Contributing: Chad Murphy, The Cincinnati Enquirer

Saleen Martin is simply a newsman connected USA TODAY's NOW team. She is from Norfolk, Virginia – the 757. Email her astatine [email protected].

This nonfiction primitively appeared connected USA TODAY: Cicada Brood XIV to look successful astatine slightest a twelve states: See map