Parallel environmental factors drive variation in insect density and plant resistance in the native and invaded ranges

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  • Yuzu Sakata
    Center for Ecological Research Kyoto University Otsu 520‐2113 Japan
  • Timothy P. Craig
    Department of Biology University of Minnesota Duluth Duluth Minnesota 55812 USA
  • Joanne K. Itami
    Department of Biology University of Minnesota Duluth Duluth Minnesota 55812 USA
  • Michimasa Yamasaki
    Laboratory of Forest Biology Division of Forest and Biomaterials Science Graduate School of Agriculture Kyoto University Kyoto 606‐8502 Japan
  • Takayuki Ohgushi
    Center for Ecological Research Kyoto University Otsu 520‐2113 Japan

書誌事項

公開日
2017-09-29
資源種別
journal article
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/ecy.1978
公開者
Wiley

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説明

<jats:title>Abstract</jats:title><jats:p>Geographic variation in the traits of a species is shaped by variation in abiotic conditions, biotic interactions, and evolutionary history of its interactions with other species. We studied the geographic variation in the density of the lace bug, <jats:italic>Corythucha marmorata</jats:italic>, and the resistance of tall goldenrod <jats:italic>Solidago altissima</jats:italic> to the lace bug herbivory in their native range in the <jats:styled-content style="fixed-case">United States</jats:styled-content> and invaded range in Japan. We conducted field surveys and reciprocal transplant experiments to examine what abiotic and biotic factors influence variation in lace bug density, and what ecological and evolutionary factors predict the resistance of the host plant between and within the native and invaded ranges. Lace bug density was higher throughout the invaded range than in the native range, higher in populations with warmer climates, and negatively affected by foliage damage by other insects in both ranges. The higher lace bug density in warmer climates was explained by the shorter developmental time of the lace bugs at higher temperatures. The resistance of <jats:italic>S. altissima</jats:italic> to lace bugs was higher in populations with lace bugs compared to populations without lace bugs in both native and invaded ranges, indicating that the evolutionary history of the interaction with the lace bugs was responsible for the variation in <jats:italic>S. altissima</jats:italic> resistance in both ranges. The present study revealed that abiotic and biotic factors, including temperature and other herbivorous insects, can drive the geographic variation in lace bug density, which in turn selects for variation in plant resistance in both in the native and invaded ranges. We conclude that the novel combination of factors such as higher temperature and lower number of other herbivorous insects is responsible for the higher lace bug density in the invaded range than in the native range.</jats:p>

収録刊行物

  • Ecology

    Ecology 98 (11), 2873-2884, 2017-09-29

    Wiley

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