The Acalyptrata contain a large group of families including fruit flies and leaf mining flies.
Acalyptrata are distinguished from other Cyclorrhapha by:
Some Acalyptrata have very distinctive features such as:
Acalyptrate larvae can be:
Pupae exit the hardened pupal case through a circular line of weakness.
Feeding on plants, including shrubs and trees.
Feeding on decaying organic matter.
Small membranous flaps or lobes that are located at the base of the wing in some species of fly.