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Resource utilization pattern of two species of tetranychid mites (Acarina: Tetranychidae)

  • Published:
Researches on Population Ecology

Summary

Life history and resource utilization pattern were compared between two closely related mite species of the genusTetranychus.

  1. 1.

    Tetranychus urticae developed more quickly and had a higher oviposition rate thanT. kanzawai. Consequently, the potential for population increase was greater forT. urticae than forT. kanzawai but the difference was slight.

  2. 2.

    T. urticae was more tolerant of a deteriorating food resource and/or over-crowding.T. kanzawai responded more sensitively to food deterioration and dispersed more quickly.

  3. 3.

    There was a considerable difference between injury patterns by the two species.T. kanzawai damaged host plants more severely, causing earlier and more extensive defoliation of the plants.

  4. 4.

    The maximum population size achieved byT. urticae was 2 to 3 times greater than that ofT. kanzawai on potted host plant. This showed that the former could utilize a food resource much more efficiently.

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Author notes

  1. Akira Kondo

    Present address: Department of Pest Control, Okayama Prefectural Agricultural Experiment Station, Sanyo-cho, 709-08, Okayama, Japan

Authors and Affiliations

  1. Laboratory of Applied Entomology, College of Agriculture, Okayama University, 700, Okayama, Japan

    Akira Kondo

  2. Entomological Laboratory, College of Agriculture, Kyoto University, 606, Kyoto, Japan

    Akio Takafuji

Authors
  1. Akira Kondo
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  2. Akio Takafuji
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Kondo, A., Takafuji, A. Resource utilization pattern of two species of tetranychid mites (Acarina: Tetranychidae). Res Popul Ecol 27, 145–157 (1985). https://doi.org/10.1007/BF02515487

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  • DOI: https://doi.org/10.1007/BF02515487

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