Key to Bolivian species of subgenus Plectographa

1. Genae setose.........................................................................................2

- Genae glabrous............................................. Cylindera (Plectographa) suturalis (Fabricius, 1798)

2. Elytra glabrous....................................................................................... 3

- Elytra setose........................................................ Cylindera (Plectographa) yaguaree n. sp.

3. Body cupreous-olive........................................... Cylindera (Plectographa) mixtula (W. Horn, 1915)

- Body blue-green............................................... Cylindera (Plectographa) zischkai (Mandl, 1956)