Biology of the mayfly <Emphasis Type="Italic">Bleptus fasciatus</Emphasis> Eaton (Insecta: Ephemeroptera,Heptageniidae), with special reference to the distribution,habitat environment,life cycle,and nuptial behavior |
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| Authors: | Ken Miyairi Koji Tojo |
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| Institution: | (1) Department of Environmental System Science, Graduate School of Science and Technology, Shinshu University, Nagano, Japan;(2) Department of Biology, Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan;(3) Institute of Mountain Science, Shinshu University, Nagano, Japan |
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| Abstract: | As the habitats of the mayfly Bleptus fasciatus (Ephemeroptera, Heptageniidae) are unique and specialized, information on the distribution and biology of the mayfly is very
poor. In this article, the biology of the mayfly is described, with special reference to the distribution and life cycle:
the voltinism, emergence and reproductive season, nuptial behavior (i.e., swarming), egg period, and the early stage of postembryogenesis.
The life cycle of the mayfly was judged as semivoltine, in contrast to the previous interpretation. Also, the unique nuptial
behavior or the swarming of the mayfly is revealed. |
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| Keywords: | Mayfly Life cycle Voltinism Swarming Embryogenesis |
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