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| Content Provider | Springer Nature Link |
|---|---|
| Author | Saïd, Imen Torre, Rosa Aldana de la Morin, Jean Paul Rochat, Didier |
| Copyright Year | 2005 |
| Abstract | We adapted a four-arm olfactometer (55 × 55 × 5.5 cm) for bioassays of large insects and its usefulness was evaluated by testing the responses of three beetles, the palm weevil Rhynchophorus palmarum (L.) (Coleoptera: Curculionidea) and two Dynast scarabs Strategus aloeus (L.) and Oryctes rhinoceros (L.) (Coleoptera: Scarabaeidae) to plant odours and aggregation pheromones. This olfactometer was coupled to a volatile delivery system dispensing highly volatile semiochemicals at constant concentrations. We materialized airflows in the olfactometer by discolouring sensitive papers with acid vapours under various conditions (air straighten by stainless steel grids in inputs and output, 500 ml/min per arm) to visualize air turbulence and to test air-tightness. The volatile delivery system can be used to mix and dispense a broad range of concentrations of semiochemicals in air from diluted aqueous solutions. It was calibrated by measuring the release of the pheromone using solid phase-microextraction (SPME). Dose-response curves to synthetic pheromone were obtained for O. rhinoceros of both sexes. Coupling the volatile delivery system to the fourarm olfactometer provided a system with which the responses of R. palmarum and S. aloeus to their synthetic aggregation pheromones and to natural plant volatiles could be readily observed and studied. |
| Starting Page | 9 |
| Ending Page | 16 |
| Page Count | 8 |
| File Format | |
| ISSN | 09377409 |
| Journal | CHEMOECOLOGY |
| Volume Number | 16 |
| Issue Number | 1 |
| e-ISSN | 14230445 |
| Language | English |
| Publisher | Birkhäuser-Verlag |
| Publisher Date | 2005-10-25 |
| Publisher Place | Basel |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Four-arm olfactometer volatile delivery system aggregation pheromone palm beetles Coleoptera Curculionidae Scarabaeidae Rhynchophorus palmarum Oryctes rhinoceros Strategus aloeus Nature Conservation Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Ecology, Evolution, Behavior and Systematics |
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