Tag archives for flies

Why Female Flies Eat Sperm

Female Ulidiid flies expel and eat ejaculate as a way to control who will father their offspring, a new study says.

The Hazards of Fly Sex

When house flies get busy, they run the risk of becoming a bat’s dinner.

A two-week sampling of flies in the Saguaro National Park yielded hundreds of specimens, many of them yet to be described scientifically. John Francis, National Geographic’s Vice President for Research, Conservation, and Exploration, talked to Mike Irwin at the recent BioBlitz in the park.

By genetically altering fruit flies so that the heads of their sperm were fluorescent green or red, scientists were able to observe “in striking detail what happens to live sperm inside the female”, Syracuse University reported today. “Our jaws hit the floor the first time we looked through a microscope and saw these glowing sperm.…

A fly that buzzed around during the time of dinosaurs is being described as a new family, genus and species of fly never before observed. This artist’s rendering of a 100-million-year old insect shows the unusual horn on its head topped by three eyes. Image by George Poinar/Courtesy OSU “A single, incredibly well-preserved specimen of…

Video: Beware the botfly

By James G. Robertson, National Geographic Digital Media A New York Times story yesterday brought this video to our attention, which we found both fascinating and disturbing. Wildlife filmmaker Vanessa Serrao returned from Belize with a special souvenir after she was bit on the head by a mosquito carrying a botfly egg, according to reporting…

German scientists have built a flight simulator for flies to better understand how the insects see and coordinate their movements. What they learn might be of use in developing robots that can move around their environment. Photo courtesy USDA “A fly’s brain enables the unbelievable–the animal’s easy negotiation of obstacles in rapid flight, split-second reaction…