There are two species of Cicadas: Annual Dogday and the 17 year...well its going to be way more noisier this spring cause the 17 year is ba-a-a-a-c-c-k !
read on the link below.
http://www.nydailynews.com/news/national/billions-cicadas-set-invade-east-coast-spring-article-1.1310555
More referencehttp://www.cicadamania.com/