The olfactory responses of granary beetles towards natural and synthetic fatty acid esters

U. Yinon, A. Shulov, R. Ikan

Research output: Contribution to journalArticlepeer-review

Abstract

The assembling scent of Trogoderma granarium was found to be a mixture of various fatty acid esters. Homologous series of both saturated and unsaturated fatty acid esters has been synthesized and tested as attractants or repellents for Trogoderma and for Tribolium castaneum. The threshold activity of the fatty acid esters forming the assembling scent is 10-2 to 10-5 mg for both species. Seventy-five per cent of the free and the esterified fatty acids attract both the males and the females of Trogoderma and repel Tribolium.

Original languageEnglish
Pages (from-to)1037-1049
Number of pages13
JournalJournal of Insect Physiology
Volume17
Issue number6
DOIs
StatePublished - Jun 1971

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