The 13-year Brood XIX emerges every 13 years, and will be found in more states, including Missouri, than the 17-year Brood XIII, although both are expected to emerge in Illinois and Iowa.

Brood XIII and Brood XIX have not appeared together since 1803 and won’t again until 2245. But many Americans might not be thinking of the rarity of the cicada co-emergence and instead are ...

One brood of cicadas has been waiting a long time to emerge; now is their time. Brood XIX has been dormant for the past 13 years, but will soon be "screaming" their love across Tennessee.

One brood of cicadas has been waiting a long time to emerge; now is their time. Brood XIX has been dormant for the past 13 years, but will soon be "screaming" their love across the Midwest.