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Mechanisms of odor coding in coniferous bark beetles: From neuron to behavior and application

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Author

Summary, in English

Coniferous bark beetles (Coleoptera: Curculionidae: Scolytinae) locate their hosts by means of olfactory signals, such as pheromone, host, and nonhost compounds. Behavioral responses to these volatiles are well documented. However, apart from the olfactory receptor neurons (ORNs) detecting pheromones, information on the peripheral olfactory physiology has for a long time been limited. Recently, however, comprehensive studies on the ORNs of the spruce bark beetle, Ips typographus, were conducted. Several new classes of ORNs were described and odor encoding mechanisms were investigated. In particular, links between behavioral responses and ORN responses were established, allowing for a more profound understanding of bark beetle olfaction. This paper reviews the physiology of bark beetle ORNs. Special focus is on I. typographus, for which the available physiological data can be put into a behavioral context. In addition, some recent field studies and possible applications, related to the physiological studies, are summarized and discussed.

Publishing year

2012

Language

English

Publication/Series

Psyche: A Journal of Entomology

Volume

2012

Document type

Journal article review

Publisher

Hindawi Limited

Topic

  • Zoology

Status

Published

Research group

  • Pheromone Group

ISBN/ISSN/Other

  • ISSN: 0033-2615