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, which includes robust bot flies, falls under the Oestridae family and comprises large parasitic flies; this classification has shifted over time, with current research placing them firmly within the Oestridae. The larvae of both genera develop in the skin of mammals.