Here we provide a checklist of the flies of the families Acroceridae, Mydidae and Therevidae on the state of Mato Grosso do Sul, Brazil. Acroceridae are represented in Brazil by 30 species, and only Philopota tuberculata Westwood is recorded for the state of Mato Grosso do Sul. The three reported species of Mydidae in the state, Gauromydas autuorii (D’Andretta), Messiasia zikani D’Andretta, and Messiasia notospila (Wiedemann) are among the 27 species now known in Brazil. There are 30 species of Therevidae in Brazil, and only one, Cyclotelus kroeberi (Cole) is known to occur in the state.
Biodiversity; catalogue; distribution; taxonomy; Biota-MS Program