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J Chem Ecol. 1987 May;13(5):1139-46. doi: 10.1007/BF01020544.

Misleading the Colorado potato beetle with an odor blend.

Journal of chemical ecology

D Thiery, J H Visser

Affiliations

  1. Department of Entomology, Agricultural University, P.O. Box 8031, 6700, EH Wageningen, The Netherlands.

PMID: 24302138 DOI: 10.1007/BF01020544

Abstract

Walking tracks of Colorado potato beetles,Leptinotarsa decemlineata Say, were recorded on a locomotion-compensator in response to wind, odors of host plantsSolanum tuberosum L. and nonhost plantsLycopersicon hirsutum f.glabratum C.H. Mull, and to mixtures of these plant species. Host-plant odor induced positive anemotactic responses in starved females, whereas odor of the nonhostL. hirsutum was neither repellent nor attractive. The attractiveness of host-plant odor, however, was neutralized in the odor blend of plant species. Masking the attractive host-plant odor will hinder the beetle's searching for host-plant patches, and this principle may be exploited in pest control by mixed cropping.

References

  1. J Chem Ecol. 1984 Sep;10(9):1325-33 - PubMed

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