Male mating history and female fecundity in the Lepidoptera: do male virgins make better partners?
In insects, large ejaculate and associated materials, including spermatophores, appear to have evolved via sexual selection acting on males to either delay female remating or to increase the rate of egg-laying. It is also possible, however, that females use nutrients transferred during mating to increase their lifetime fecundity. If so, male ejaculate size may also have evolved under natural selection as a form of paternal investment. In Lepidoptera, males with a greater number of prior matings...[Show more]
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|Source:||Behavioral Ecology and Sociobiology|
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