内容摘要：Elon Musk looks on as President Donald Trump meets South African President Cyril Ramaphosa in the Oval Office of the White House, Wednesday, May 21, 2025, in Washington. (AP Photo/Evan Vucci)

Elon Musk looks on as President Donald Trump meets South African President Cyril Ramaphosa in the Oval Office of the White House, Wednesday, May 21, 2025, in Washington. (AP Photo/Evan Vucci)

Jonathan Tincher’s prison tattoos are seen as he holds back the tail of a mare while she undergoes an ultrasound on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)Jonathan Tincher’s prison tattoos are seen as he holds back the tail of a mare while she undergoes an ultrasound on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)

Jonathan Tincher steadies a foal while veterinarians tend to it on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)Jonathan Tincher steadies a foal while veterinarians tend to it on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)Nicholas Valentin walks a foal out of its stall on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)

Nicholas Valentin walks a foal out of its stall on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)Program members share a closing prayer to conclude their “morning meditation” of sharing of their recent experiences as they navigate the 12 step program on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)

Program members share a closing prayer to conclude their “morning meditation” of sharing of their recent experiences as they navigate the 12 step program on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)

Frank Taylor guides mares away from an open gate on Tuesday, May 6, 2025, in Nicholasville, Ky. (AP Photo/Jon Cherry)“You’ve got one very widely distributed brood in Brood XIX, but you have a very dense historically abundant brood in the Midwest, your Brood XIII,” said University of Maryland entomologist Mike Raupp.

“And when you put those two together… you would have more than anywhere else any other time,” University of Maryland entomologist Paula Shrewsbury said.Georgia Institute of Technology biophysicist Saad Bhamla holds a periodical cicada nymph in his hand on the campus of Georgia Institute of Technology in Atlanta on Thursday, March 28, 2024. (AP Photo/Carolyn Kaster)

Georgia Institute of Technology biophysicist Saad Bhamla holds a periodical cicada nymph in his hand on the campus of Georgia Institute of Technology in Atlanta on Thursday, March 28, 2024. (AP Photo/Carolyn Kaster)These hideaway cicadas are found only in the eastern United States and a few tiny other places. There are 15 different broods that