Theory suggests that male fitness generally increases steadily with mating rate, while one or
a few matings are sufficient for females to maximize their reproductive success. Contrary to …

Edible and seminal gifts that male arthropods transfer to their mates range from important
material donations to items that provide little direct benefit. Recent reviews and research …

The past decade has seen a profound change in the scientific understanding of
reproduction. The traditional view of reproduction as a joint venture undertaken by two …

Why do males and females frequently differ so markedly in body size and morphology? Sex,
Size, and Gender Roles is the first book to investigate the genetic, developmental, and …

The evolution of female mate choice, broadly defined to include any female behaviour or
morphology which biases matings towards certain male phenotypes, is traditionally thought …

Copulatory wounding (CW) is widespread in the animal kingdom, but likely underreported
because of its cryptic nature. We use four case studies (Drosophila flies, Siphopteron slugs …

Although the primary function of mating is gamete transfer, male ejaculates contain
numerous other substances that are produced by accessory glands and transferred to …

Females of most animal taxa mate with several males during their lifespan. Yet our
understanding of the ultimate causes of polyandry is incomplete. For example, it is not clear …

One of the most studied life-history trade-offs is that resulting from the cost of reproduction: a
trade-off arises when reproduction diverts limited resources from other life-history traits. We …

Postcopulatory sexual selection theory has come a long way since the evolutionary
implications of sperm competition were first spelled out by Parker (1970). However, one of …