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Noun1.Magicicada - seventeen-year locustMagicicada - seventeen-year locust    
arthropod genus - a genus of arthropods
Magicicada septendecim, periodical cicada, seventeen-year locust - North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
References in periodicals archive ?
One of the strangest examples is that of the periodic cicada.
* It is not uncommon to find hundreds of thousands to millions of periodic cicadas per acre.
Periodic cicadas are either a 13-year or a 17-year variety; each variety has several different species that are distinct in size, color and song.