The effect of host instar on the size and sex ratio of the endoparasitoidDacnusa sibirica |
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| Authors: | P Croft and M J W Copland |
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| Institution: | (1) Department of Biological Sciences, Wye College, University of London, Wye, TN25 5AH Ashford, Kent, UK |
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| Abstract: | Older instars of the leafminer hostChromatomyia syngenesiae Hardy (Diptera: Agromyzidae) at parasitization resulted in larger female adults of the larval-pupal endoparasitoidDacnusa sibirica Telenga (Hymenoptera: Braconidae). The sex ratio in the parasitoid offspring became increasingly female biased and development
period decreased with increasing age of the host at parasitization. Older host instars were therefore considered to produce
a fitter parasitoid. |
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| Keywords: | parasitoid koinobiont leafminer |
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