Feeding experience affects the behavioral response of polyphagous gypsy moth caterpillars to herbivore-induced poplar volatiles

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dc.citation.issue5
dc.citation.volume42
dc.contributor.authorMcCormick AL
dc.contributor.authorReinecke A
dc.contributor.authorGershenzon J
dc.contributor.authorUnsicker S
dc.date.available2016-05
dc.date.available2016-04-28
dc.date.issued2016-05
dc.description.abstractPlant volatiles influence host selection of herbivorous insects. Since volatiles often vary in space and time, herbivores (especially polyphagous ones) may be able to use these compounds as cues to track variation in host plant quality based on their innate abilities and previous experience. We investigated the behavioral response of naïve (fed on artificial diet) and experienced (fed on poplar) gypsy moth (Lymantria dispar) caterpillars, a polyphagous species, towards constitutive and herbivore-induced black poplar (Populus nigra) volatiles at different stages of herbivore attack. In Y-tube olfactometer assays, both naïve and experienced caterpillars were attracted to constitutive volatiles and volatiles released after short-term herbivory (up to 6 hr). Naïve caterpillars also were attracted to volatiles released after longer-term herbivory (24-30 hr), but experienced caterpillars preferred the odor of undamaged foliage. A multivariate statistical analysis comparing the volatile emission of undamaged plants vs. plants after short and longer-term herbivory, suggested various compounds as being responsible for distinguishing between the odors of these plants. Ten compounds were selected for individual testing of caterpillar behavioral responses in a four-arm olfactometer. Naïve caterpillars spent more time in arms containing (Z)-3-hexenol and (Z)-3-hexenyl acetate than in solvent permeated arms, while avoiding benzyl cyanide and salicyl aldehyde. Experienced caterpillars avoided benzyl cyanide and preferred (Z)-3-hexenyl acetate and the homoterpene (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT) over solvent. Only responses to DMNT were significantly different when comparing experienced and naïve caterpillars. The results show that gypsy moth caterpillars display an innate behavioral response towards constitutive and herbivore-induced plant volatiles, but also that larval behavior is plastic and can be modulated by previous feeding experience.
dc.description.publication-statusPublished
dc.format.extent382 - 393
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000378818300003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifier.citationJOURNAL OF CHEMICAL ECOLOGY, 2016, 42 (5), pp. 382 - 393
dc.identifier.doi10.1007/s10886-016-0698-7
dc.identifier.eissn1573-1561
dc.identifier.elements-id271397
dc.identifier.harvestedMassey_Dark
dc.identifier.issn0098-0331
dc.identifier.urihttps://hdl.handle.net/10179/13234
dc.publisherSpringer Verlag (Germany)
dc.relation.isPartOfJOURNAL OF CHEMICAL ECOLOGY
dc.relation.urihttps://link.springer.com/article/10.1007/s10886-016-0698-7
dc.subjectHerbivore-induced plant volatiles (HIPV)
dc.subjectBehavioral plasticity
dc.subjectHost-plant selection
dc.subjectPolyphagous insects
dc.subjectLepidoptera
dc.subjectSalicaceae
dc.subject.anzsrc03 Chemical Sciences
dc.subject.anzsrc05 Environmental Sciences
dc.subject.anzsrc06 Biological Sciences
dc.titleFeeding experience affects the behavioral response of polyphagous gypsy moth caterpillars to herbivore-induced poplar volatiles
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Agriculture & Environment
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