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| Content Provider | Springer Nature Link |
|---|---|
| Author | Roux, Olivier Gers, Charles Tene Ghomsi, Josèphe Nathan Arvanitakis, Laurence Bordat, Dominique Legal, Luc |
| Copyright Year | 2006 |
| Abstract | Cotesia plutellae is a specialist parasitoid of Plutella xylostella. This specificity is potentially under the control of several factors before and after oviposition. Thereby, the stimuli that lead female parasitoids to host locations and to oviposition, might be at the basis of the specificity. We explore here the response of C. plutellae females exposed to host cuticular lipids. A total cuticular lipid extract of host caterpillars was fractionated into a hydrocarbon fraction and a non-hydrocarbon fraction. Neither fraction alone had any effect on oviposition behaviour in C. plutellae but the hydrocarbon fraction alone did seem to have a positive effect on the rate of antennal contact by the females. To induce oviposition behaviour, both fractions were necessary and reflect cooperation between at least one compound in each fraction. Identification of cuticular lipids shows that hydrocarbons were dominant (77%). Non-hydrocarbon compounds were mainly represented by 15-nonacosanone (18% of the total lipid extract). This ketone is rare in insect cuticle lipids and is thought to originate from the cabbage epicuticle where it is dominant with n-C29 and 14- and 15-nonacosanol also found among the cuticular lipids of the host caterpillar. |
| Starting Page | 13 |
| Ending Page | 18 |
| Page Count | 6 |
| File Format | |
| ISSN | 09377409 |
| Journal | CHEMOECOLOGY |
| Volume Number | 17 |
| Issue Number | 1 |
| e-ISSN | 14230445 |
| Language | English |
| Publisher | Birkhäuser-Verlag |
| Publisher Date | 2006-11-25 |
| Publisher Place | Basel |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cotesia plutellae Plutella xylostella cuticular lipids host-recognition host-acceptance parasitoid Ecology Nature Conservation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Ecology, Evolution, Behavior and Systematics |
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