Neuroethology of oviposition behavior in the moth Manduca sexta.
Olfactory cues play decisive roles in the lives of most insect species, providing information about biologically relevant resources, such as food, mates, and oviposition sites. The nocturnal moth Manduca sexta feeds on floral nectar from a variety of plants (and thus serves as a pollinator), but females oviposit almost exclusively on solanaceous plants, which they recognize on the basis of olfactory cues. Plants, however, respond to herbivory by releasing blends of volatiles that attract natural enemies of herbivores. Thus, oviposition behavior probably results from the sensory evaluation not only of attractive host plant volatiles but also of repellent volatiles that indicate the acceptability or inappropriateness, respectively, of host plants for the females' offspring. Here we describe results from chemical-ecological, neurophysiological, and behavioral experiments aimed at understanding the neural mechanisms that control oviposition behavior in M. sexta.
Reisenman
Carolina E
CE
Division of Neurobiology, Arizona Research Laboratories, University of Arizona, Tucson, Arizona 85721-0077, USA. carolina@neurobio.arizona.edu
Riffell
Jeffrey A
JA
Hildebrand
John G
JG
D000080462:Acyclic Monoterpenes; D000818:Animals; D005260:Female; D008297:Male; D018402:Manduca / Q000502:physiology*; D039821:Monoterpenes / Q000494:pharmacology; D009424:Nervous System Physiological Phenomena; D010058:Oviposition / Q000187:drug effects / Q000502:physiology*
D000080462:Acyclic Monoterpenes; D039821:Monoterpenes; C018584:linalool
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