Unisexual broods and sex ratios in a polyembryonic encyrtid parasitoid (Copidosoma sp.: Hymenoptera) |
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| Authors: | G H Walter A R Clarke |
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| Institution: | (1) Department of Entomology, The University of Queensland, 4072 Brisbane, Queensland, Australia |
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| Abstract: | Summary We examined brood sex ratios of an undetermined species of Copidosoma. Most broods (65%) were unisexual, with a greater proportion of female broods. Some mixed broods contained extremely small proportions of wasps of the opposite sex. Our results imply that the female-biased sex rations in this species cannot be explained by local mate competition theory. |
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| Keywords: | Sex ratio Polyembryony Hymenoptera Parasitoid Copidosoma |
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