Body size and mating success inDrosophila willistoni are uncorrelated under laboratory conditions
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Mating activity and wing length were investigated in the F1 progeny ofDrosophila willistoni females collected in the field to examine any possible relationship between body size and mating success. The flies were observed in a mating chamber under laboratory conditions. No significant differences in wing length were observed between copulating and noncopulating flies, and there was no significant correlation between wing length and copulation latency for both males and females. These results therefore suggest that the commonly accepted view that large body size is positively correlated with mating success inDrosophila does not always hold true. The results support the view that the extent of environmentally induced variation in body size may be an important factor in determining whether an association between body size and mating success is observed inDrosophila species.
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- Body size and mating success inDrosophila willistoni are uncorrelated under laboratory conditions
Journal of Genetics
Volume 80, Issue 2 , pp 77-81
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- Springer India
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- Drosophila willistoni
- mating success
- sexual behaviour
- body size