Influences of wild crucifers on life history traits and flight ability of the diamondback moth, Plutella xylostella (Lepidoptera: Yponomeutidae)

Omar Muhamad, Ritsuko Tsukuda, Yoko Oki, Kenji Fujisaki, Fusao Nakasuji

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The larvae of Plutella xylostella were fed on five wild crucifers, Capsella bursa-pastoris, Lepidium virginicum, Cardamine flexuosa, Rorippa indica, R. islandica and a crop, cabbage. The developmental period of the immature stages, adult longevity, preoviposition period, fecundity and morphometrical characters of the adults were measured. The flight activity of the adults was also measured by the tethered flight method. All the wild plants except for R. islandica were less suitable host plants than cabbage, and larvae which were fed on these less suitable plants emerged as smaller adults with shorter wings. The smaller female adults had lower fecundity but a higher flight activity. Smaller adults measured in terms of their pupal weight among individuals fed on the same host plant had longer wings. These smaller adults with longer wing flew more actively.

Original languageEnglish
Pages (from-to)53-62
Number of pages10
JournalResearches on Population Ecology
Volume36
Issue number1
DOIs
Publication statusPublished - Jun 1 1994

Keywords

  • Plutella xylostella
  • developmental period
  • fecundity
  • flight ability
  • morphometrical character of adult
  • wild crucifer

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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