Key to species of the dasycephala Group

1. Tibiae and tarsi of at least mid- and hindlegs mostly rufous...................................... N. shewelli sp. nov.

Tibiae and tarsi of all legs mostly grayish green to charcoal gray................................................ 2 2. Dorsal portion of face and scutum distinctly rusty brown; scutum mostly microtomentose......... N. dasycephala sp. nov.

- Dorsal portion of face and scutum mostly grayish green, at most slightly olivaceous; scutum mostly subshiny, appearing darker................................................................................... N. mallonota sp. nov.