Reproductive isolation between populations showing different aggression in a subsocial spider mite, Schizotetranychus miscanthi Saito (Acari: Tetranychidae).

DOI Web Site 被引用文献9件 参考文献24件
  • Sato Yukie
    Laboratory of Animal Ecology, Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University
  • Saito Yutaka
    Laboratory of Animal Ecology, Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University
  • Mori Kotaro
    Laboratory of Animal Ecology, Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University

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We studied the pattern of reproductive isolation between two groups of the subsocial spider mite species, Schizotetranychus miscanthi. S. miscanthi can be distinguished into two groups by differences in male-to-male aggressiveness, one has high and the other has low male-aggression. Habitats of these two groups are parapatric, and are not easily distinguished. We carried out cross experiments between populations taking the geographical factors into consideration. Results indicated that strong reproductive isolation acts on these different groups. Therefore, we concluded that there is little gene flow between the two groups, even when they are distributed in close proximity.

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