insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing

larvae bore into and feed on apples

small black-and-white fly that damages citrus and other fruits by implanting eggs that hatch inside the fruit

small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance

flies whose larvae feed on pickles and imperfectly sealed preserves