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

  1. Collantes, H.G., Gianoli, E. & Niemeyer, H.M. (1999) Defoliation affects chemical defenses in all plant parts of rye seedlings. Journal of Chemical Ecology 25: 491-499.
    Archivo Pdf Download (506Kb)

  2. Ramírez, C.C., Caballero, P.P. & Niemeyer, H.M. (1999) Effect of previous exposure to hydroxamic acids in probing behavior of aphid Sitobion fragariae on wheat seedlings. Journal of Chemical Ecology 25: 771-779.
    Archivo Pdf Download (633Kb)

  3. Quiroz, A., Fuentes-Contreras, E., Ramírez, C.C., Russell, G.B. & Niemeyer, H.M. (1999) Host plant chemicals and the distribution of Neuquenaphis (Hemiptera: Aphididae) on Nothofagus (Fagaceae). Journal of Chemical Ecology 25: 1043-1054.
    Archivo Pdf Download (527Kb)

  4. Figueroa, C.C., Simon, J.C., Le Gallic, J.F. & Niemeyer, H.M. (1999) Molecular markers to differentiate two morphologically-close species of the genus Sitobion (Hemiptera: Aphididae). Entomologia Experimentalis et Applicata 92:217-225.
    Archivo Pdf Download (973Kb)

  5. Gonzáles, W.L., Fuentes-Contreras E., Quiroz A. & Niemeyer, H.M. (1999) Semiochemicals associated to spacing behaviour of the bird cherry-oat aphid, Rhopalosiphum padi (Hem., Aphididae), do not affect the olfactometric behaviour of the cereal aphid parasitoid Aphidius rhopalosiphi De Stephani-Pérez (Hym., Braconidae). Journal of Applied Entomology 123: 413-415.
    Archivo Pdf Download (273Kb)

  6. Escobar, C.A., Sicker, D. & Niemeyer, H.M. (1999) Evaluation of DIMBOA analogues as antifeedants and antibiotics towards the aphid Sitobion avenae in artificial diets. Journal of Chemical Ecology 25: 1543-1554.
    Archivo Pdf Download (673Kb)

  7. Ramírez, C.C, Olea N. & Niemeyer, H.M. (1999) Pattern of cell punctures by the aphid Sitobion fragariae (Sternorrhyncha: Aphididae) and cell arrangement in the leaf tissues of wheat, Triticum aestivum. European Journal of Entomology 96: 73-75.
    Archivo Pdf Download (301Kb)

  8. Labra, A. & Niemeyer, H.M. (1999) Intraspecific chemical recognition in the lizard Liolaemus tenuis (Tropiduridae). Journal of Chemical Ecology 25: 1799-1811.
    Archivo Pdf Download (617Kb)

  9. Figueroa, C.C., Koenig, C., Araya, C., Santos, M.J. & Niemeyer, H.M. (1999) Effect of DIMBOA, a hydroxamic acid from cereals, on peroxisomal and mitochondrial enzymes from aphids: evidence for the presence of peroxisomes in aphids. Journal of Chemical Ecology 25: 2465-2475.
    Archivo Pdf Download (742Kb)

  10. Gianoli E., Ríos, J.M. & Niemeyer H.M. (1999) Within-plant allocation of a chemical defense in Secale cereale. Is concentration the appropriate currency of allocation? Chemoecology 9: 113-117.
    Archivo Pdf Download (609Kb)

  11. Ramírez, C.C. & Niemeyer, H.M. (1999) Salivation into sieve elements in relation to plant chemistry: the case of the aphid Sitobion fragariae and the wheat Triticum aestivum. Entomologia Experimentalis et Applicata 91: 111-114.
    Archivo Pdf Download (333Kb)

  12. Khambay, B.P.S., Batty, D., Cahill, M., Denholm, I, Mead-Briggs, M., Vinall, S., Niemeyer, H.M. & Simmons, M.S.J. (1999) Isolation, characterization, and biological activity of naphthoquinones from Calceolaria andina L. Journal of Agricultural and Food Chemistry 47: 770-775.
    Archivo Pdf Download (54Kb)

  13. Fuentes-Contreras, E., Gianoli, E., Caballero, P.P. & Niemeyer, H.M. (1999) Influence of altitude and host-plant species on gall distribution in Colliguaja spp. (Euphorbiaceae) in Central Chile. Revista Chilena de Historia Natural 72: 305-313.
    Archivo Pdf Download (775Kb)