1 Metanotum present as large, vertical, smooth, shiny surface; propodeum rising posteriorly in lateral view; occipital carina distinct.............................................................................................................................. 2

- Metanotum not visible; propodeum level or descending posteriorly in lateral view; occipital carina indistinct............................................................................................................................................................. 3

2 Clypeal margin sinuate; lateral surface of pronotum with deep, rounded, longitudinal depression delimited by carina both dorsally and ventrally ........................................................................... scutellata (Hedqvist)

- Clypeal margin with 2 strong teeth; lateral surface of pronotum without deep, rounded, longitudinal depression delimited by carina both dorsally and ventrally ........................ iridius Desjardins, new species

3 Pronotum conical; occipital margin carinate; propodeum with distinct suture separating nucha from rest of propodeum .................................................................................................................... paradoxus Hedqvist

- Prontum slightly bulging laterally and dorsally; occipital margin rounded; propodeum without suture separating nucha from rest of propodeum................................................... aurantius Desjardins, new species