Seasonal Fluctuation in Percentage Parasitism of the Yellow Tea Thrips, Scirtothrips dorsalis Hood (Thysanoptera : Thripidae) by an Egg Parasitoid of Megaphragma (Hymenoptera : Trichogrammatidae) on Grapes
スポンサーリンク
概要
- 論文の詳細を見る
Seasonal fluctuations in the percentage parasitism of Scirtothrips dorsalis by Megaphragma sp. were investigated in a Delaware vineyard in Osaka prefecture in 1998. Megaphragma sp. adults emerged from S. dorsalis eggs on grape leaves from July to September and the percentage parasitism reached 53.2% in late September. However, no Megaphragma sp. emerged from mid May to early July. This result suggests that the parasitoid was not effective as an agent for controlling the population density of S. dorsalis during the period when it causes the most damage to fruits in Delaware vineyards.
- 日本昆虫学会の論文
- 2000-12-25
著者
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TANAKA Hiroshi
Agricultural, Food and Environmental Sciences Research Center of Osaka Prefecture
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Tanaka Hiroshi
Osaka City University Medical School
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Shibao Manabu
Osaka Prefectural Agricultural And Forestry Research Center
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Shibao M
Osaka Prefectural Agricultural And Forestry Research Center
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HOSOMI Akihiro
Osaka Prefectural Agricultural and Forestry Research Center
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Tanaka Hiroshi
Osaka Prefectural Agricultural And Forestry Research Center
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