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The term periodical cicada is commonly used to refer to any of the seven species of the genus Magicicada of eastern North America, the 13- and 17-year cicadas.They are called periodical because nearly all individuals in a local population are developmentally synchronized and emerge in the same year.
Magicicada cassini (originally spelled cassinii [a]), known as the 17-year cicada, Cassin's periodical cicada or the dwarf periodical cicada, [6] is a species of periodical cicada. It is endemic to North America. It has a 17-year life cycle but is otherwise indistinguishable from the 13-year periodical cicada Magicicada tredecassini.
Magicicada septendecim, sometimes called the Pharaoh cicada or the 17-year locust, is native to Canada and the United States and is the largest and most northern species of periodical cicada with a 17-year lifecycle. [3]
Decim periodical cicadas is a term used to group three closely related species of periodical cicadas: Magicicada septendecim, Magicicada tredecim, and Magicicada neotredecim. M. septendecim, first described by Carl Linnaeus, has a 17-year life cycle; the name septendecim is Latin for 17.
[52] [53] [54] A specialist predator with a shorter life cycle of at least two years could not reliably prey upon the cicadas; [55] for example, a 17-year cicada with a predator with a five-year life cycle will only be threatened by a peak predator population every 85 (5 × 17) years, while a non-prime cycle such as 15 would be endangered at ...
Brood XIX (also known as The Great Southern Brood) is the largest (most widely distributed) brood of 13-year periodical cicadas, last seen in 2024 across a wide stretch of the southeastern United States. Periodical cicadas (Magicicada spp.) are often referred to as "17-year locusts" because most of the known distinct broods have a 17-year life ...
Magicicada cassini female during oviposition.. The Cassini periodical cicadas are a pair of closely related species of periodical cicadas: Magicicada cassini [a] (Fisher, 1852), having a 17-year life cycle, and Magicicada tredecassini (Alexander and Moore, 1962), a nearly identical species with a 13-year life cycle.
Alexander, Richard D; Moore, Thomas Edwin (1962), The Evolutionary Relationships of 17-year and 13-year Cicadas, and Three New Species (Homoptera, Cicadidae, Magicicada), Ann Arbor: Museum of Zoology, University of Michigan