These cells appear to be absent in the brains of female fruit flies. (sciencedaily.com)
However, it is certain that female fruit flies have learned to let their offspring grow on citrus fruits, because there the larvae are better protected against parasites. (sciencedaily.com)
The overexpression of an important gene that regulates energy metabolism can cause a severe shortening of lifespan in male fruit flies but has only a small negative effect on lifespans of female fruit flies, according to new research from North Carolina State University. (sciencedaily.com)