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 ...

Drosophila is one of the most thoroughly studied lab animals -- with the exception of the female reproductive tract. Now a team of biologists has taken the first deep look at the Drosophila uterus and ...

Understanding the evolution of insect mating behavior is essential for explaining how early insects adapted to life on land.

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

Thermogenesis is present in plants such as 'Macrozamia communis', which raise the temperature of their reproductive organs when in bloom to attract pollinating insects. Thermogenesis is a process by ...

COLUMBUS, Ohio – A lab study in crickets has revealed sex differences in how the insects direct their nutritional resources to increase chances of generating offspring, finding that females prepare ...

“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 ...

In South-East Asian tropical plants, the excess production of reproductive organs is believed to be controlled by resource booms. However, the continuously flowering shrub Dillenia suffruticosa ...

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...