Analysis and Manipulation of the Structure of Odor Plumes from a Piezo-Electric Release System and Measurements of Upwind Flight of Male Almond Moths, Cadra cautella, to Pheromone Plumes
Article
Girling, Robbie D. and Cardé, Ring T.. 2007. "Analysis and Manipulation of the Structure of Odor Plumes from a Piezo-Electric Release System and Measurements of Upwind Flight of Male Almond Moths, Cadra cautella, to Pheromone Plumes." Journal of Chemical Ecology. 33 (10), pp. 1927-1945. https://doi.org/10.1007/s10886-007-9349-3
| Article Title | Analysis and Manipulation of the Structure of Odor Plumes from a Piezo-Electric Release System and Measurements of Upwind Flight of Male Almond Moths, Cadra cautella, to Pheromone Plumes |
|---|---|
| ERA Journal ID | 3270 |
| Article Category | Article |
| Authors | Girling, Robbie D. and Cardé, Ring T. |
| Journal Title | Journal of Chemical Ecology |
| Journal Citation | 33 (10), pp. 1927-1945 |
| Number of Pages | 19 |
| Year | 2007 |
| Publisher | Springer |
| Place of Publication | United States |
| ISSN | 0098-0331 |
| 1573-1561 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1007/s10886-007-9349-3 |
| Web Address (URL) | https://link.springer.com/article/10.1007/s10886-007-9349-3 |
| Abstract | We investigated the plume structure of a piezo-electric sprayer system, set up to release ethanol in a wind tunnel, using a fast response mini-photoionizaton detector. We recorded the plume structure of four different piezo-sprayer configurations: the sprayer alone; with a 1.6-mm steel mesh shield; with a 3.2-mm steel mesh shield; and with a 5 cm circular upwind baffle. We measured a 12 × 12-mm core at the center of the plume, and both a horizontal and vertical cross-section of the plume, all at 100-, 200-, and 400-mm downwind of the odor source. Significant differences in plume structure were found among all configurations in terms of conditional relative mean concentration, intermittency, ratio of peak concentration to conditional mean concentration, and cross-sectional area of the plume. We then measured the flight responses of the almond moth, Cadra cautella, to odor plumes generated with the sprayer alone, and with the upwind baffle piezo-sprayer configuration, releasing a 13:1 ratio of (9Z,12E)-tetradecadienyl acetate and (Z)-9-tetradecenyl acetate diluted in ethanol at release rates of 1, 10, 100, and 1,000 pg/min. For each configuration, differences in pheromone release rate resulted in significant differences in the proportions of moths performing oriented flight and landing behaviors. Additionally, there were apparent differences in the moths’ behaviors between the two sprayer configurations, although this requires confirmation with further experiments. This study provides evidence that both pheromone concentration and plume structure affect moth orientation behavior and demonstrates that care is needed when setting up experiments that use a piezo-electric release system to ensure the optimal conditions for behavioral observations. |
| Keywords | Sex pheromone ; Orientation ; Photoionization detector; Plume structure; Phycitinae ; Lepidoptera; Turbulence ; Cadra cautella; Wind tunnel ; Concentration |
| ANZSRC Field of Research 2020 | 310901. Animal behaviour |
| 310301. Behavioural ecology | |
| 300804. Horticultural crop protection (incl. pests, diseases and weeds) | |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | University of California, United States |
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