THE PERIODICAL CICADA PROBLEM. I. POPULATION ECOLOGY
THE PERIODICAL CICADA PROBLEM. I. POPULATION ECOLOGY
复制标题
周期性的蝉问题。
DOI:
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发表时间:
1966
期刊:
影响因子:
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通讯作者:
H. Dybas
中科院分区:
文献类型:
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作者:
M. Lloyd;H. Dybas
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-