Drosophila melanogaster is a species of small fly. Adults are 3 to 4 mm long, may have red eyes, though some are dark eyed, and a tan thorax. The abdomen is black on top, gray underneath. Fruit flies can appear to be brown or tan in color.
Behavior, Diet & Habits
Populations tend to build during the summer, becoming very abundant at harvest time. Indoors, fruit flies are frequently active at all times of the year.