Synchronized-chorus
Guides
Magicicada tredecassini
Cassin's 13-Year Cicada, tredecassini periodical cicada
Magicicada tredecassini is a 13-year periodical cicada endemic to the United States. It is morphologically indistinguishable from the 17-year species Magicicada cassini, and the two are collectively referred to as 'cassini-type' or 'cassini periodical cicadas.' Males of this species exhibit distinctive synchronized courting behavior, with tens of thousands singing and flying in unison. It is one of four species comprising Brood XIX, the largest 13-year brood by geographic extent.