While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain ...

A new UC Davis study reveals previously unknown cell types in the female reproductive tract of Drosophila fruit flies. The knowledge could help in studies of fertility in general, and in managing ...

“What we know is that you’re now having cases of malaria and West Nile virus that are now here in the U.S.,” she said. “As climate changes, you’re going to have a shift or move and this is going to ...

Wcislo, William T. 1993. [Book review] "Reproductive Behavior of Insects: Individuals and Populations, edited by W.J. Bailey and J. Ridsdill-Smith." Annals of the Entomological Society of America, 86, ...

The disposable soma theory of ageing predicts that when organisms invest in reproduction they do so by reducing their investment in body maintenance, inducing a trade-off between reproduction and ...

Chapter 1. Overview of polyembryony -- Chapter 2. Polyembryony in encyrtid parasitoids. Chapter 3. Host-polyembryonic parasitoid interactions -- Chapter 4. Sociality in polyembryonic parasitoids -- ...

Even a well-characterized genome, such as that of the Drosophila the so-called fruit fly, still holds surprises. A team from the University of Geneva (UNIGE), Switzerland, in collaboration with ...