Key to Subgenera of Caenaugochlora

(modified from Michener, 2007)

1. Female metabasitibial plate well rimmed on all borders; female inner metatibial spur pecticate, with less than 10 well separated branches; compound eyes typically distinctly setose, ocular setae longer than an ommatidial diameter; striae of basal area of propodeum not reaching apical margin; male metasomal sternum IV often with distinctive setal patch apicomedially and raised on blunt tubercles ............................................................................................................ 2

—. Female metabasitibial plate obsolescent anteriorly; female inner metatibial spur densely pecticate, with more than 10 tightly packed branches; compound eyes with only minute, scattered setae; striae of basal area of propodeum reaching apical margin; male metasomal sternum IV with V-shaped setal patch bordering median depression .............................................. Ctenaugochlora Eickwort

2(1). Preoccipital ridge sharply angled, not carinate; male metasomal sternum IV without lateral projections; male parapenial lobe narrow .................................. .................................................................................... Caenaugochlora Michener s.str.

—. Preoccipital ridge carinate; male metasomal sternum IV with long, lateral projections bearing apical setae; male parapenial lobe broad ............................ ............................................................................................. Metaugochlora n. subgen.