
Brood X cicadas, that emerged from the ground after 17 years, died by the score on the sidewalks. (Source: AP)

Brood is one of the largest variants of cicadas. They emerge once in seventeen years. (Source: AP)

After spending years underground, Brood X cicadas are swarming in New Jersey. (Source: AP)

Adult cicadas sitting on a wooden fence. (Source: AP Photo/Julio Cortez)

Cicadas climbing up a pipe. (Source: Reuters)

Baby cicadas climb up the bark of a tree. (Source:AP Photo/Carolyn Kaster)

Cicadas as seen in a children's swimming pool. (Source: Reuters/Amira Karaoud)

The emergence of millions of red-eyed cicadas was received with annoyance from some Americans. (Source: AP)

After they mate, a new crop of cicadas will start the 17-year process all over again. (Source: AP)

The nymph shell of a cicada is seen on a branch of a pine tree. (Source: AP Photo/Julio Cortez)