Rapid population growth and food-plant exploitation pattern in an exotic leaf beetle, Ophraella communa LeSage (Coleoptera: Chrysomelidae), in western Japan.pdf
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- Yamazaki Kazuo
- Osaka City Institute of Public Health and Environmental Sciences
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- Imai Chobei
- Osaka City Institute of Public Health and Environmental Sciences
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- Natuhara Yoshihiro
- Osaka City Institute of Public Health and Environmental Sciences Present address: Laboratory of Landscape Architecture and Conservation, College of Agriculture, Osaka Prefecture University
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- Rapid population growth and food-plant exploitation pattern in an exotic leaf beetle, Ophraella communa LeSage (Coleoptera: Chrysomelidae), in western Japan
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An exotic leaf beetle, Ophraella communa, originating from the Nearctic region, is a multivoltine oligophagous herbivore and was discovered in Japan in 1996. The host-use of the leaf beetle in the field with adult feeding choice and larval performance on some asteraceous plants in the laboratory were surveyed. O. communa showed a hierarchy of food-plant use: The leaf beetle first used Ambrosia artemisiifolia, on which adults preferred to feed and larvae developed well, and its population increased markedly until defoliating this food-plant. Then, the leaf beetle migrated to Am. trifida and Xanthium spp. In the laboratory, Am. trifida was not as preferred by adults as Am. artemisiifolia, although larval performance on Am. trifida was superior. Xanthium was inadequate both in terms of adult feeding choice and larval performance. Neither eggs nor larvae were found on the plant species on which no larvae completed their growth in the laboratory. These findings suggest that the exotic beetle has great mobility and host-discriminating ability. The finding, that Am. trifida was less used than Am. artemisiifolia despite Am. trifida being suitable for larvae, may be attributable to the fact that adutls tend to oviposit on Am. trifida subsequently to feeding.
収録刊行物
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- Applied Entomology and Zoology
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Applied Entomology and Zoology 35 (2), 215-223, 2000
日本応用動物昆虫学会
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詳細情報 詳細情報について
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- CRID
- 1390282681217243648
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- NII論文ID
- 110001103415
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- NII書誌ID
- AA00543238
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- ISSN
- 1347605X
- 00036862
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- NDL書誌ID
- 5428928
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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