Insect olfactory exploitation of plant stress indicators

Research output: Contribution to journalArticle

Abstract

Olfactory signals are often produced when the organism finds itself under stress. A possible definition is proposed for the meaning of the word stress, based on the concept of ecological niche. Taking bark beetles and wood borers as an example, insect primary attraction is analysed in relation to stress factors affecting their hosts. Secondary attraction is also considered for some scolytids. By sequestering volatiles from their hosts, with whom they established obligatory associations, specific pheromones are produced. Furthermore, bark beetles' predators evolved specific olfactory strategies, sometimes based on kairomonal cues, which are described.

Original languageEnglish
Pages (from-to)181-186
Number of pages6
JournalVerhandlungen - Gesellschaft fur Okologie
Volume25
Publication statusPublished - 1 Dec 1996

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