The Diapriidae

basal vein in forewing perfectly perpendicular to submarginal vein (fig. 32); stigmal vein short, obtuse-angled to marginal vein; female antenna with nonabrupt clava, clavomeres subquadrate; labrum not exposed; Valdivian [mf]

basal vein in forewing moderately arcuate,acute-angled to submarginal vein (fig. 101); stigmal vein distinctly elongate, almost perpendicular to marginal vein; female antenna with light, nonabrupt clava, clavomeres beadlike (fig. 101); labrum exposed; Valdivian [mf]