1	Palpal formula 2-1 (Fig. 1); female T7+8, when extruded with ovipositor, connected to T6 by short, unsegmented conjunctiva (Fig. 3)	Anteris
–	Palpal formula 4-2 (Fig. 2); female T7+8, when extruded with ovipositor, connected to T6 by long, segmented conjunctiva (Fig. 4)	2
2	Metanotum visible medially and unaltered by horn of T1, or horn absent (Figs 10, 12)	3
–	Metanotum obscured medially by horn of T1 (Figs 9, 11)	4
3	Metascutellum visible externally, shape variable (Fig. 12)	Paridris
–	Metascutellum not visible externally (Fig. 10)	Probaryconus
4	Lateral ocellus remote from inner orbit, separated by distance of at least one ocellar diameter (Fig. 11)	Paridris
–	Lateral ocellus contiguous with inner orbit or separated by distance less than one ocellar diameter (Fig. 10)	Probaryconus