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| Content Provider | Springer Nature Link |
|---|---|
| Author | Leppik, Ene Frérot, Brigitte |
| Copyright Year | 2012 |
| Abstract | Plant volatile cues are considered the main source of information for ovipositing moths, which use chemical information to locate and recognize the host plant. In Europe, two sympatric populations of European corn borer (ECB; Ostrinia nubilalis, Hübner), the Z and E-pheromone races, feed mainly on maize and hop or mugwort, respectively. We studied the mechanisms of host-plant recognition and fidelity in ECB pheromone races by testing the attractiveness of host plants to gravid females in a flight tunnel and by analyzing the volatiles released from maize, mugwort, and hop during the scotophase, when the ovipositing flight of the ECB females occurs. In the wind tunnel bioassay, the Z-race and E-race females engaged in upwind flight and expressed a strong host fidelity to their respective main host plants; all three of these host plants possess distinctive volatile profiles specific as to blend and ratio. The host plants shared a certain number of ubiquitous volatiles present in various ratios that likely constitute a species-specific cue to host-seeking ECB moths. Our observations therefore suggest that ECB host fidelity is steered by plant volatiles that are present in species-specific ratios of ubiquitous volatile organic compounds. |
| Starting Page | 119 |
| Ending Page | 129 |
| Page Count | 11 |
| File Format | |
| ISSN | 09377409 |
| Journal | CHEMOECOLOGY |
| Volume Number | 22 |
| Issue Number | 2 |
| e-ISSN | 14230445 |
| Language | English |
| Publisher | SP Birkhäuser Verlag Basel |
| Publisher Date | 2012-02-28 |
| Publisher Place | Basel |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Artemisia vulgaris Humulus lupulus Zea mays Wind tunnel GC–MS SPME Entomology Ecology Nature Conservation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Ecology, Evolution, Behavior and Systematics |
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