Abstract
We analyzed the sex pheromone of the pear fruit moth, Acrobasis pyrivorella, by means of gas chromatography–electroantennographic detection (GC-EAD) and GC–mass spectrometry. Two EAD-active compounds were detected in the pheromone gland extract of females. They were identified as (Z)-9-pentadecenyl acetate (Z9-15:OAc) and pentadecyl acetate (15:OAc). The amounts per female gland (mean ± standard error) of these compounds were 12.9 ± 2.8 and 0.8 ± 0.1 ng, respectively. Synthetic Z9-15:OAc (300 μg) attracted conspecific males in field trapping experiments. When 15:OAc (21 μg; 7% of Z9-15:OAc quantity) was added, the number of males trapped increased significantly. Catch in traps baited with the mixture of these compounds was greater than that in traps baited with 1–3-day-old virgin females. We, therefore, conclude that Z9-15:OAc and 15:OAc are sex pheromone components of this species.
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Acknowledgements
JT thanks Dr. Shinichi Yoshimatsu of the National Institute for Agro-Environmental Sciences for advice on the study. JT acknowledges a Grant-in-Aid for Scientific Research No. 19780044 from the Ministry of Education, Culture, Sports, Science and Technology of Japan.
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Tabata, J., Minamishima, M., Sugie, H. et al. Sex Pheromone Components of the Pear Fruit Moth, Acrobasis pyrivorella (Matsumura). J Chem Ecol 35, 243–249 (2009). https://doi.org/10.1007/s10886-009-9597-5
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DOI: https://doi.org/10.1007/s10886-009-9597-5