In laboratory and field studies of the walnut fly, Rhagoletis juglandis Cresson (Diptera: Tephritidae), we assessed the effect of operational sex ratio on copulation duration and partitioned the sex ...

This week, researchers at Oregon State University report evidence that two genes representing key components of the circadian clock somehow also influence sexual behavior in the fruit fly Drosophila.

A circuit in the brain of male vinegar flies has been identified as the coordinator of their complex mating ritual and is distinct from the circuit responsible for ejaculation, a new study finds. The ...

Briceno, R. D., Eberhard, William G., Chinea-Cano, E., Wegrzynek, D., and dos Santos Rolo, T. 2016. "Species-specific differences in the behavior of male tsetse fly ...

The first time a person rides a rollercoaster, they may find it exhilarating, but when they get back on to ride again, they may find that they can’t replicate that initial feeling of excitement.

SYDNEY, Sept. 29 (Xinhua) -- A new species of fly with some very unusual features including a forked penis has been accidentally discovered at a national park in Australia's New South Wales. Professor ...

Reproduction can be costly and is predicted to trade-off against other characters. However, while these trade-offs are well documented for females, there has been less focus on aspects of male ...