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Heritable variation of sex pheromone composition and the potential for evolution of resistance to pheromone-based control of the Indian meal moth, Plodia interpunctella

Publiceringsår: 2002
Språk: Engelska
Sidor: 1447-1461
Publikation/Tidskrift/Serie: Journal of Chemical Ecology
Volym: 28
Nummer: 7
Dokumenttyp: Artikel
Förlag: Springer Science+Business Media B.V.


The short-term evolutionary effect of pheromone-based mating disruption on the mating ability of the Indian meal moth, Plodia interpunctella, was investigated. Three independent selection lines were established, and the mating ability of moths in plastic tents treated with high doses of pheromone and in control tents was compared for two consecutive generations. In addition, the heritability of the sex pheromone blend, measured as the ratio of two major pheromone components (Z, E)-9,12-tetradecadienyl acetate and (Z, E)-9,12-tetradecadienol, was estimated. Based on a mother-daughter regression analysis including 21 families, the heritability of the pheromone blend was 0.65 +/- 0.14, indicating a potential for evolutionary change of the character. However, no increase in mating ability of females in pheromone-treated tents or alteration of the pheromone blend was observed in any selection line when compared with control lines, indicating no or weak selection on the pheromone blend as well as other traits influencing mating ability of this species under the created mating disruption conditions. Factors contributing to the lack of selection effects are discussed.



  • Biological Sciences
  • Zoology


  • Pheromones and kairomones of stored product pests
  • Pheromone Group
  • ISSN: 0098-0331
  • ISSN: 1573-1561

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