The orthorrhaphous Brachycera group include some of the largest flies in the world. Some South American species of the families Mydidae and Pantophthalmidae have a body length up of up to 60mm.
Brachycera (orthorrhaphous) include horse-flies bee-flies and robber-flies.
The distinguishing features of Brachycera (orthorrhaphous) are:
Robber-flies are usually predators in both the adult and larval stages.
Bee-flies have an elongated proboscis for flower feeding.
Many orthorrhaphous larvae are predators, some:
Discover more about the life cycle of the horse-fly, a member of the Brachycera (orthorrhaphous) group.