Identification of female sex pheromone in alfalfa blotch leafminer, Agromyza frontella (Rondani)(Diptera: Agromyzidae)

Yves Carriére, Jocelyn G. Millar, Jeremy N. McNeil, David Miller, E. W. Underbill

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Gas chroinatography of hexane extracts of 3-day-old virgin A. frontella adults revealed a branched saturated hydrocarbon present only in females. This compound was isolated by argentation chromotography and preparative GC, identified by GC and GC-MS as 3,7-dimethylnonadecane, and subsequently synthesized. Three-day-old virgin females contained 54.1 ± 3.5 ng (± SEM;N = 48) of 3,7-dimethylnonadecane. Male cadavers do not elicit male courtship behavior, but when treated with ∼ 18 ng of 3,7-dimethylnonadecane they were as attractive as cadavers of 3-day-old virgin females. Black cotton knots were less attractive than male cadavers when treated with 3,7-dimethylnonadecane, but all bioassays indicated that this compound is an important semiochemical modulating male mating behavior.

Original languageEnglish (US)
Pages (from-to)947-956
Number of pages10
JournalJournal of Chemical Ecology
Volume14
Issue number3
DOIs
StatePublished - Mar 1 1988
Externally publishedYes

Keywords

  • 3,7-dimethylnonadecane
  • Agromyza frontella
  • Agromyzidae
  • Alfalfa blotch leafminer
  • Diptera
  • female sex pheromone
  • male response
  • synthesis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

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