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Host preference and survival in selected lines of a Drosophila parasitoid, Asobara tabida

Record type: Article

Host selection behaviour of parasitoids has important fitness consequences, if hosts of different quality are available. Here the host selection behaviour, the ability to distinguish between hosts differing in their suitability, of the Drosophila parasitizing wasp Asobara tabida was studied. Females from five lines selected for higher survival in the encapsulating host species D. melanogaster (Kraaijeveld et al., 2001) were compared with females from control lines. Females from all five selected lines more readily accepted the encapsulating host species for oviposition when offered together with a nonencapsulating host species than females from the control lines. We found no evidence for pleiotropic effects and suggest that host selection behaviour evolved parallel to the ability to escape encapsulation in the hosts. Our results also suggest that given the appropriate selection pressures, host selection behaviour can quickly evolve in parasitoids, enabling them to adapt fast to changing circumstances.

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Citation

Rolff, J. and Kraaijeveld, A.R. (2001) Host preference and survival in selected lines of a Drosophila parasitoid, Asobara tabida Journal of Evolutionary Biology, 14, (5), pp. 742-745. (doi:10.1111/j.1420-9101.2001.00328.x).

More information

Published date: 7 July 2001
Keywords: Asobara tabida, Drosophila, encapsulation, host selection behaviour, parasitoid

Identifiers

Local EPrints ID: 56187
URI: http://eprints.soton.ac.uk/id/eprint/56187
ISSN: 1010-061X
PURE UUID: 7977ae5f-f1f6-45a0-b48d-e3bbc60c63dd
ORCID for A.R. Kraaijeveld: ORCID iD orcid.org/0000-0002-8543-2640

Catalogue record

Date deposited: 08 Aug 2008
Last modified: 17 Jul 2017 14:31

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Contributors

Author: J. Rolff

University divisions


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