If this bug is about invading in the United States, do not kill it

This will be the first time they reappeared in almost two decades.

This spring and summer will see a rare phenomenon return to the U.S.: In a few months, millions of cicadas will reappear from the subsoil to swarm across the country. Anyone living on their path will witness one of the most important of natural originbroods Everywhere and hear their deafening buzz. But the experts warn you not to kill them, no matter how they get noisy. Continue reading for all the details of the swarm of incoming cicadas and the 15 states that will be affected. And for another bug that should be on your radar, know whyYou can not kill this bug, even if you crushed with your car.

The cicada swarm in question is known as brood x, or the big brod is periodic cicadas. Where annual cicadas, which are more frequently observed, are a nuance of green, the periodic cicadas are distinguished by their black bodies and light red eyes. Insects that are 2.5 "in length with a 3" wingspan,Last mass appearance in 2004. Since then, they live underground, feeding on the sap of the roots of trees for 17 years. "They are always there who does people do not realize," saidJohn Cooley, PhD, an entomologist at the University of Connecticut whoPeriodic cigadial studies, RecountUnited States today.

While living underground, the cicadas exist in the form of "nymph" with white bodies and without wings. About five days after coming to the surface, they will turn black as their exoskeleton harden. They surface every 17 years when the ground temperature reaches 64 degrees Fahrenheit, but they are also known to delay their appearance in a few days if the weather is rainy or otherwise suboptimal.

The buzz characteristic of the noise created by the swarm is due to male insects that attempt to attract a partner. After that took place, females cut into small flexible twigs tolay their eggs, According to the US Department of Agriculture. This can kill young branches, which means that periodic cicadas present a particular risk for nurseries and orchards. COOLEY advises placing nets or bags on young trees up to early July, when cicadas will disappear again. The eggs they asked then fall on the ground, are earth and the 17-year-old cycle begins once again.

Other than aesthetic damage to trees, periodic cicadas are largely harmless. They do not want to come inside and they do not bite man; In fact, they can actually be useful. "Cicada are mainly beneficial," theNational Federation of Wildlife noticed. "They prune mature trees, ventilate the floor, and once they die, their bodies serve as a significant source of nitrogen for growing trees. »

Cooley saidUnited States today May most of the common question people ask questions about cicadas is how to kill them. "The answer is: do not," he said. "They are one of our natural wonders. Enjoy while you have them. »Continue reading to discover the 15 states that can expect to see cicadas this spring and summer, and for more insect information, learn more aboutMost sting painful that you can get an insect.