The number of each paper in the list corresponds to the number in the complete list of publications.

  1. Quiroz, A. & Niemeyer, H.M. (1998) Activity of the enantiomers of sulcatol on apterae of Rhopalosiphum padi (L.). Journal of Chemical Ecology 24: 361-370.
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  2. Quiroz, A. & Niemeyer, H.M. (1998) Olfactometer-assessed responses of the aphid Rhopaloshiphum padi to wheat and oat volatiles. Journal of Chemical Ecology 24: 113-124.
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  3. Fuentes-Contreras, E. & Niemeyer, H.M. (1998) DIMBOA-glucoside, a wheat chemical defense, affects host acceptance and suitability of Sitobion avenae (Hemiptera: Aphididae) to the cereal aphid parasitoid Aphidius rhopalosiphi (Hymenoptera: Braconidae). Journal of Chemical Ecology 24: 371-381.
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  4. Gianoli, E. & Niemeyer, H.M. (1998) Allocation of herbivory-induced hydroxamic acids in the wild wheat Triticum uniaristatum. Chemoecology 8: 19-23.
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  5. Gianoli, E. & Niemeyer, H.M. (1998) DIBOA in wild Poaceae: sources of resistance to the Russian wheat aphid (Diuraphis noxia) and the greenbug (Schizaphis graminum). Euphytica 102: 317-321.
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  6. Guerra, M., Fuentes-Contreras, E. & Niemeyer, H.M. (1998) Differences in behavioral responses of Sitobion avenae (Hemiptera: Aphididae) to volatiles, following parasitism by Aphidius ervi (Hymenoptera: Braconidae). Écoscience 5: 334-337.
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  7. Collantes, H.G., Gianoli, E. & Niemeyer, H.M. (1998) Changes in growth and chemical defences upon defoliation in maize. Phytochemistry 49: 1921-1923.
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  8. García, C., García, S., Heinzen, H., Moyna, P. & Niemeyer, H.M. (1998) An efficient method for the quantification of hydroxamic acids from wheat by thin layer chromatography - densitometry. Phytochemical Analysis 9: 278-282.
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  9. Gonzáles, W.L., Fuentes-Contreras, E. & Niemeyer, H.M. (1998) Una nueva especie de áfido detectada en Chile: Sipha flava. Revista Chilena de Entomología 25: 87-90.
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  10. Fuentes-Contreras, E., Pell, J.K. & Niemeyer, H.M. (1998) Influence of plant resistance at the third trophic level: interactions between parasitoids and entomopathogenic fungi of cereal aphids. Oecologia 117: 426-432.
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  11. Gianoli, E. & Niemeyer, H.M. (1998) No risk, no gain? Limited benefits of a non-costly herbivory-induced defense in wheat. Écoscience 5: 480-485.
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  12. Córdova-Yamauchi, L., Gianoli, E., Quiroz, A. & Niemeyer, H.M. (1998) The Argentine ant, Linepithema humile (Hymenoptera: Formicidae: Dolichoderinae) is sensitive to chemical signals involved in the spacing behaviour in the bird cherry-oat aphid Rhopalosiphum padi (Hemiptera: Aphididae). European Journal of Entomology 95: 501-508.
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