Abstract
The family Calliphoridae (Diptera: Oestroidea), in its traditional definition, probably comprises a very diverse and heterogeneous paraphyletic grouping of calyptrate dipterous. One of the reasons that render Calliphoridae a non-natural group is the inclusion of Mesembrinellidae, a group with exclusively Neotropical distribution, as one of its subfamilies. Recent studies have repeatedly s…