Reproductive isolation between Japanese and Myanmar populations of Cotesia vestalis (=plutellae) (Hymenoptera: Braconidae), a larval parasitoid of Plutella xylostella (Lepidoptera: Plutellidae)

Ah Nge Htwe, Masami Takagi, Keiji Takasu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cotesia vestalis (Hymenoptera: Braconidae) has been widely used in many parts of the world as a major biocontrol agent of the diamondback moth, Plutella xylostella. The rate of parasitism and the rate of control exerted on the pests are highly variable geographically as well as not all introduction and augmentations were successful. Populations from different geographic regions often display various levels of reproductive incompatibility because they have been geographically isolated, experienced different selection pressures and/or adapted to various local environments. Experiment were conducted to compare reproductive compatibility between two geographic populations of C. vestalis one from Fukuoka, Japan (Temperate population) and the other from Mandalay, Myanmar (Tropical population). Results indicated that there was partial incompatibility between the two populations.

Original languageEnglish
Pages (from-to)153-157
Number of pages5
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume54
Issue number1
Publication statusPublished - Feb 1 2009

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Myanmar
Reproductive Isolation
Cotesia
Plutellidae
Hymenoptera
Lepidoptera
Plutella xylostella
reproductive isolation
Braconidae
Population
Moths
biological control agents
Japan
parasitism
pests
Pressure

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

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abstract = "Cotesia vestalis (Hymenoptera: Braconidae) has been widely used in many parts of the world as a major biocontrol agent of the diamondback moth, Plutella xylostella. The rate of parasitism and the rate of control exerted on the pests are highly variable geographically as well as not all introduction and augmentations were successful. Populations from different geographic regions often display various levels of reproductive incompatibility because they have been geographically isolated, experienced different selection pressures and/or adapted to various local environments. Experiment were conducted to compare reproductive compatibility between two geographic populations of C. vestalis one from Fukuoka, Japan (Temperate population) and the other from Mandalay, Myanmar (Tropical population). Results indicated that there was partial incompatibility between the two populations.",
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