Food odor enhances male flies’ attractiveness

When female flies smell their favorite food, they become more receptive to courting males.

“A way to someone’s heart is through their stomach” is a popular saying. But it is not only in humans that romance and a good dinner seem to go together well. In the vinegar fly Drosophila melanogaster, scientists from the Max Planck Institute for Chemical Ecology have now even identified the respective underlying neuronal mechanism in the fly’s brain. If vinegar is nearby, male flies are perceived as more attractive and the receptivity of virgin females towards courting males is increased. (Mehr in: Pressemitteilungen – idw – Informationsdienst Wissenschaft)