Male: A C. diaguita, metatibia ≥0.5× as deep as long B C. vina, ventral metatibial carina toothed near apex, posterior carina present but weakly defined basally C C. vina, malar space ~1.2× as long as clypeal lateral D C. katherinae, metatibia >2× as long as maximum depth E C. katherinae, ventral metatibial carina with rounded inflection near apex, posterior carina absent basally F C. katherinae, malar space ~1.1× as long as clypeal lateral; scale bars 0.25 mm.