The Diapriidae

Female A13 moderately to distinctly longer than A12 (fig. 81); male A3 distinctly shorter than A4; anterior scutellar pit variable in shape, only exceptionally bifoveate; Nearctic and Neotropical [mf] (part)

Female A13 at most equal in length to A12, often shorter (fig. 97); male A3 at least as long as A4, often longer; anterior scutellar pit always bifoveate; Nearctic and Neotropical [mf] (part)