Figures 1–4.Opiinae spp., occipital and hypostomal carinae. 1 Doryctobracon crawfordi (Viereck) showing occipital carina completely absent 2 Opius peleus Fischer, showing the two carinae widely separated at mandible 3 Opius godfrayi Wharton, sp. n., with both carinae meeting well above base of mandible 4 Opius nympha Fischer, similar to Opius peleus.