THE PERIODICAL CICADA PROBLEM. I. POPULATION ECOLOGY

THE PERIODICAL CICADA PROBLEM. I. POPULATION ECOLOGY
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周期性的蝉问题。

DOI:
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发表时间:
1966
期刊:
Evolution; international journal of organic evolution
影响因子:
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通讯作者:
H. Dybas
H. Dybas
中科院分区:
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文献类型:
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作者:
M. Lloyd;H. Dybas

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周期性蝉,Magicicada spp.,有着最长的生命周期。在任何人群中,除了一小部分人之外,所有人都是同龄人。它们从美国东部的落叶林树木的根部吸取汁液(参见Marlatt,1907年,对生命周期的完整描述)。成熟的蝗虫最终从地下钻出,变成成虫,交配,产卵,每隔17年(或者,在南方,每隔13年)在同样的几周内死亡。不是一个物种,而是三个。在周期性蝉的大部分范围内,有三个独立而不同的物种一起出现(亚历山大和摩尔,1962),无论物种共存的地方,它们总是同步的。在不同的领域-
Periodical cicadas, Magicicada spp., have the longest life cycles known for insects. In anyone population, all but a tiny fraction are the same age. The nymphs suck juices from the roots of deciduous forest trees in eastern United States (see Marlatt, 1907, for a complete account of the life cycle). Mature nymphs finally emerge from the ground, become adults, mate, lay their eggs, and die within the same few weeks of every seventeenth (or, in the South, every thirteenth) year. Not one species does this, but three. There are three separate and distinct species that occur together over most of the range of periodical cicadas (Alexander and Moore, 1962) and, wherever the species coexist, they are invariably synchronized. In different re-