The effect of 1-pentadecene on Tribolium castaneum behaviour: Repellent or attractant?

Autor: Đukić N; Faculty of Agriculture, University of Belgrade, Belgrade, Serbia., Andrić G; Institute of Pesticides and Environmental Protection, Belgrade, Serbia., Glinwood R; Department of Crop Production Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden., Ninkovic V; Department of Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden., Andjelković B; Faculty of Chemistry, University of Belgrade, Beograd, Serbia., Radonjić A; Faculty of Agriculture, University of Belgrade, Belgrade, Serbia.
Jazyk: angličtina
Zdroj: Pest management science [Pest Manag Sci] 2021 Sep; Vol. 77 (9), pp. 4034-4039. Date of Electronic Publication: 2021 May 12.
DOI: 10.1002/ps.6428
Abstrakt: Background: Movement of the red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), in stored products is mediated by food volatiles and other semiochemicals.
Results: In two-way olfactometer assays, T. castaneum was more attracted to wheat bran previously infested with conspecifics than to uninfested bran. Chemical analysis showed that 1-pentadecene was present in the headspace of T. castaneum-infested wheat bran, but not detectable in the headspace of uninfested bran. An olfactometer was used to test the effect on T. castaneum behaviour of 1-pentadecene, and of volatiles from wheat bran with and without 1-pentadecene. The lowest concentration of 1-pentadecene exhibited an attractive effect, compared to the control (n-hexane). Slightly higher concentrations showed a neutral effect, while the highest concentrations repelled T. castaneum. Wheat bran with a low 1-pentadecene concentration was more attractive than wheat bran alone, whereas higher concentrations of 1-pentadecene were repellent.
Conclusion: The results provide important information on intraspecific, semiochemical-mediated behaviour in T. castaneum, which could potentially be used to develop new methods to monitor the flour beetles in stored products. © 2021 Society of Chemical Industry.
(© 2021 Society of Chemical Industry.)
Databáze: MEDLINE
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