| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10970963 | Animal Behaviour | 2013 | 7 Pages |
Abstract
⺠I examined the function of exaggerated sperm storage in promiscuous female earwigs. ⺠Males can displace only 20% of sperm stored in an elongated spermatheca per mating. ⺠Larger males had higher competitiveness and repeated matings with individual females. ⺠Larger males also sired more sons, which inherit their larger body size. ⺠A simulation study showed 20% displacement of sperm is optimal for gaining larger sons.
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Authors
Yoshitaka Kamimura,