Fruit flies have large red eyes and a tan body ... “The mature larvae will leave the breeding site and pupate away from where they were eating.” The first step is to toss out any rotten ...

The life of a fruit fly consists of four phases: egg, larva, pupa and fully-formed fly. At 25 degrees, the fly embryo hatches one day after the egg is laid, and it then lives for five days as a larva.

Fruit flies go through a whole series of transitions between life stages, as shown here. The larval molts are called instars. The mature larva forms a prepupa, and then a pupa, which undergo ...