title: Beetle feeding induces a different volatile emission pattern from black poplar foliage than caterpillar herbivory.
abstract: Herbivore-induced plant volatile emission is often considered to be attacker species-specific, but most experimental evidence comes from short lived herbaceous species. In a recent study we showed that black poplar (Populus nigra) trees emit a complex blend of volatiles from damaged leaves when they are attacked by generalist gypsy moth (Lymantria dispar) caterpillars. Minor nitrogenous volatiles were especially characteristic of this blend. Here we show that attack on P. nigra by a beetle species, Phratora vulgatissima (Coleoptera, Chrysomelidae), led to the emission of the same compounds as already observed after caterpillar herbivory, but with striking quantitative changes in the blend. The consequences for attraction of herbivore enemies are discussed.
authors.affiliation: a Department of Biochemistry; Max Planck Institute for Chemical Ecology ; Jena , Germany.
authors.forename: Sybille B
authors.initials: SB
authors.lastname: Unsicker
authors.forename: Jonathan
authors.initials: J
authors.lastname: Gershenzon
authors.forename: Tobias G
authors.initials: TG
authors.lastname: Köllner
mesh_terms: D000818:Animals; D001517:Coleoptera; D060434:Herbivory; D007814:Larva; D009036:Moths; D009812:Odorants; D018515:Plant Leaves / Q000378:metabolism*; D032107:Populus / Q000378:metabolism*; D011235:Predatory Behavior; D014197:Trees / Q000378:metabolism*; D055549:Volatile Organic Compounds / Q000378:metabolism*
chemical_list: D055549:Volatile Organic Compounds
keywords: Populus nigra; Salicaceae; blue willow beetle; herbivore-specific plant defense response; herbivore–induced volatile emission
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