Non-reproductive host killing caused by Aphelinus asychis (Hymenoptera: Aphelinidae), a parasitoid of cotton aphid, Aphis gossypii (Homoptera: Aphididae)

Young Woong Byeon, Midori Tuda, Masami Takagi, Jeong Hwan Kim, Yong Heon Kim

研究成果: ジャーナルへの寄稿学術誌査読

15 被引用数 (Scopus)

抄録

Aphelinus asychis Walker (Hymenoptera: Aphelinidae) is a solitary endoparasitoid that parasitizes and host-feeds more than 40 aphid species, and has been considered a potential biological control agent of aphids. In many species of hymenopterous parasitoid, female wasps cause important additional mortality by non-reproductive killing (e.g., host-feeding and stinging behaviour). Host mortality caused by nonreproductive host killing of A asychis was studied on cotton aphid, Aphis gossypii Glover (Homoptera: Aphididae) when infesting cucumber (Cucumis sativus L.), in the laboratory at 25 °C and photoperiod of 16L: 8D. The females killed 3.3 aphids per day and 73.9 aphids until they died by host-feeding and stinging during an average of 21.3 days. Peak age-specific aphid mortality (5.2 aphids per day) was observed on the fifth day after parasitoid emergence. A. asychis females continued non-reproductive host killing until died.

本文言語英語
ページ(範囲)369-372
ページ数4
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
54
2
出版ステータス出版済み - 10月 2009

!!!All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • 農業および作物学

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