Periodical Cicadas in PA
Billions of cicadas set to invade East Coast this spring // The noise can has been compared to a New York subway train, and there will be no escape from it as the bugs hatch again after 17 years.
13 and 17 year periodical cicadas
Periodical Cicadas Manipulate the Populations of Predatory Birds ...
Periodical Cicadas: a resource collection on cicadas from Science NetLinks
Must avoid the Periodical Cicadas! 17 & 13 Year Cicadas, Magicicada Broods & Brood Maps
There are at least 15 broods of periodical cicadas that emerge from underground in 13- or 17-year cycles in different parts of the country.
Periodical Cicada- by Loren Williams | | Hatches Fly Tying Magazine
Periodical cicadas live underground for 17 or 13 years before emerging to sing, mate and die. This year’s cicadas are Brood II, one of 15 surviving regional broods.
Cicada: periodical cicadas — the ones with 13- or 17-year cycles-- only live in the United States, in areas east of the Great Plains