Specificity of laboratory trail following by the argentine ant, Iridomyrmex humilis (Mayr), to (Z)-9-hexadecenal, analogs, and gaster extract

S. E. Van Vorhis Key, Thomas Charles Baker

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

In laboratory trail-following bioassays of Argentine ant workers, Iridomyrmex humilis (Mayr), the geometric isomer, (E)-9-hexadecenal, of the trail pheromone component (Z)-9-hexadecenal elicited insignificant trail following as did the potentially more stable formate analogs, (Z)-7-tetradecenyl formate, (E)-7-tetradecenyl formate, and tetradecyl formate. Further, in direct choice tests, workers showed no preference for gaster extract trails (0.002 ant equiv/cm) over trails of (Z)-9-hexadecenal (0.2 ng/cm). Moreover, a 10-fold increase in synthetic trail concentration to 2.0 ng/cm caused (Z)-9-hexadecenal trails to be significantly preferred over gaster extract trails by trail-following ants.

Original languageEnglish (US)
Pages (from-to)1057-1063
Number of pages7
JournalJournal of Chemical Ecology
Volume8
Issue number7
DOIs
StatePublished - Jul 1 1982

All Science Journal Classification (ASJC) codes

  • Ecology
  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)

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