The Cuterebrinae, the robust bot flies, are a subfamily of Oestridae which includes large, parasitic flies; this group has historically been treated as a family, but all recent classifications place them firmly within the Oestridae. Both genera spend their larval stages in the skin of mammals.
The Cuterebrinae subfamily, comprising robust bot flies, is a part of the larger Oestridae family and consists of large parasitic flies that have undergone reclassification from a family to a subfamily. The larvae of both genera reside in the skin of mammals, highlighting their unique life cycle.