Diapause in the Braconid Wasp, Cotesia glomerata (L.) II. Factors Inducing and Terminating Diapause
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概要
- 論文の詳細を見る
Experiments were done to elucidate factors inducing and terminating prepupal diapause in the Kyoto population of Cotesia glomerata (formerly Apanteles glomeratus)(L.), whose primary host is Pieris rapae crucivora Boisduval. Diapause in this population was induced in nearly all individuals by a 20-day exposure to 10℃ during the larval stage in the host body irrespective of photoperiod, although the diapause incidence was significantly lower under 16L-8D than under 10L-14D when the cold exposure (10℃) was shorter than 18 days. The winter cold accelerates the diapause development : The mean prepupal periods at 14 and 20℃ were significantly shorter in February cocoons than in November ones irrespective of photoperiod, and in December cocoons at 20℃-16L-8D, decreased with elongation of 4℃ exposure at least up to 4 months. The seasonal synchrony between C. glomerata and P. rapae crucivora is discussed on the basis of the results obtained.
- 日本昆虫学会の論文
- 2000-03-25
著者
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Sato Yoshibumi
Kyoto College of Medical Technology
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Ishii Minoru
Entomological Laboratory College Of Agriculture Osaka Prefecture University
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TAGAWA Jun
Faculty of Informatics, Okayama University of Science
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Tagawa J
Faculty Of Science Okayama University Of Science:(present Address)department Of Biosphere-geosphere
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