Ampulicomorpha
presented by Olmi (1999) and Azevedo & Amarante (2006) should be modified as follows:
1 Head not pyriform (Fig. 1), with OOL as long as OPL (Fig. 1), or less than twice as long as OPL; palpal formula 2/1 or 6/3......................................................... 2
– Head pyriform (Azevedo & Amarante 2006: fig. 2), with OOL more than twice as long as OPL (Azevedo & Amarante 2006: fig. 2); palpal formula 4/2 or 5/2 ........................................................................................................................... 3
2 Disc of metapectal-propodeal complex with two median longitudinal keels forming a square basal areola near metanotum (Fig. 6); palpal formula 6/3 ...... .......................................................................................................... suavis Olmi
– Disc of metapectal-propodeal complex without longitudinal keels (Fig. 1); palpal formula 2/1 (Figs 4, 5)................................................................... poirieri n. sp.
3 Metapectal-propodeal disc with two almost obsolete median longitudinal keels ............................................................................................................. gilli Olmi
– Metapectal-propodeal disc with two distinct median longitudinal keels (Azevedo & Amarante 2006: fig. 2) ................... aperta (Azevedo & Amarante), n. comb.