Response of mated insects of both sexes of granary weevil to blends of volatiles - short communication

Anna Wenda-Piesik, Dariusz Piesik and Anita Krasińska
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Anna Wenda-Piesik: Department of Plant Growth Principles and Experimental Methodology and Department of Entomology and Molecular Phytopathology,
Dariusz Piesik: UTP University of Science and Technology, Bydgoszcz, Poland
Anita Krasińska: UTP University of Science and Technology, Bydgoszcz, Poland

Plant Protection Science, 2018, vol. 54, issue 3, 190-193

Abstract: We report the behavioural responses of mated granary weevils to blends of cereal volatiles. Four doses were applied on filter paper (1, 10, 100, and 1000 ng/min in 50 µl of hexane applied on filter paper). A Y-tube experiment revealed that mated females of Sitophilus granarius were attracted to blend 1, 4, and 5 at concentrations of 1000, 100, 1, and 10 ng/min, respectively. Mated males were attracted only to blend 5 at a concentration of 10 ng/minute. Yet, the mated weevil females and males were repelled by the highest concentration (1000 ng/min) for all tested blends. Moreover, both mated sexes were repelled by 100 ng/min in blends 2, 3, 5, and 6. Additionally, females were repelled by 10 ng/min in blend 6. We claim that the blend of volatiles and their concentration can induce the insect behaviour.

Keywords: ereal insects; cereal volatiles; attractants; repellents (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:54:y:2018:i:3:id:136-2017-pps

DOI: 10.17221/136/2017-PPS

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