Key to the species of Neacanista

1. Scape strongly expanded near apex, pedicle distinctly longer than broad, pronotum densely punctured... N. shirakii (Mitono)

- Scape subcylindrical, pedicle nearly as long as broad, pronotum sparsely punctured................................. 2

2. Elytron covered with an oblique black band near apical 1/3.................................................... 3

- Elytron not covered with an oblique black band near apical 1/3................................... N. harmandi (Pic)

3. Scutellum covered with short golden hairs, elytra covered with longitudinal golden lines........... N. laosensis (Breuning)

- Scutellum covered with short brown hairs, each elytron not covered with longitudinal golden lines...................................................................................................... N. tuberculipenne Gressitt