Head in frontal view (a, aa), metasoma in dorsal view (c, cc), anterior face of pronotum (b, bb) and antenna (d, dd). a–d Apodynerus troglodytes (de Saussure) aa, cc Antepipona silaos (de Saussure) bb Antepipona menkei Giordani Soika; dd. Antepipona rufescens (Smith).