Laboratory studies of Aphelinus asychis, a potential biological control agent for myzus persicae

Hee Bong Suck, Mi Ja Seo, Eun Jin Kang, Kyu Sick Yoon, Yong Man Yu, Chisa Yasunaga-Aoki, Young Nam Youn

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1 Citation (Scopus)

Abstract

In order to effectively control Myzus persicae using the parasitoid Aphelinus asychis as a biological control agent in the greenhouse, biological characteristics such as the effect of temperature, host stage and host plant on parasitization, fecundity, longevity, sex ratio, development time, behavioral response on host, host plant and oviposition and host feeding behavior of A. asychis were evaluated. When A. asychis exposed to 40 individuals of each instar of M. persicae for 24 h at 25°C, 1st, 2nd, 3rd, 4th instar nymphs and adult were parasitized at 47.8%, 70.0%, 32.2%, 14.4% and 7.8%, respectively. There was a difference in the amount of parasitism depending on the host plant utilized by M. persicae. Aphids were most heavily parasitized on Chinese cabbage (44.1%) followed by pepper (34.2%). The lowest parasitization occurred on aphids reared on radish (23.3%). Second instar nymphs were most heavily parasitized and adult aphids were rarely successfully utilized.

Original languageEnglish
Pages (from-to)431-439
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume57
Issue number2
Publication statusPublished - Sep 1 2012

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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