Host plant influence on chemical defense in conifer sawflies (Hymenoptera: Diprionidae)

@article{Codella2004HostPI,
  title={Host plant influence on chemical defense in conifer sawflies (Hymenoptera: Diprionidae)},
  author={S. G. Codella and K. Raffa},
  journal={Oecologia},
  year={2004},
  volume={104},
  pages={1-11}
}
Host diet affects the defensive efficacy of Neodiprion sawflies. In laboratory assays with wood ants (Formica obscuripes), secretions from larvae reared on Pinus banksiana were the most repellent, while those from P. resinosa feeders were the least so. This was explained diterpene resin acid content, but not total monoterpene content. The terpene content of regurgitant generally reflected dietary concentrations. Compounds were sequestered nonselectively by larvae. Host-based differences in… Expand
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