Swarms of Cicadas Emerging in Midwest

May 21st, 2007 in Biology /
Swarms of Cicadas Emerging in Midwest (AP)

A cicada nymph crawls across the ground Monday, May 14, 2007, at the Chicago Botanic garden in Glencoe, Ill. The cicada is part of Brood XIII which is expected to appear soon across northern Illinois, and in parts of Iowa, Wisconsin, Michigan and Indiana. Cicadas live only about 30 days as adults, and their main goal is mating. (AP Photo/Charles Rex Arbogast)

(AP) -- Coming soon: Brood XIII. It sounds like a bad horror movie. But it's actually the name of the billions of cicadas expected to emerge this month in parts of the Midwest after spending 17 years underground.

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