Key to the species of Pseudosparna Mermudes & Monné

1. Elytra with setae restricted to the posterior half of the lateral margins; metepisterna densely covered with yellow pubescence. Venezuela (Fig. 3) ................................................. Pseudosparna aragua Mermudes & Monné sp. nov.

- Elytra with setae covering the entire surface; metepisterna covered with black or grayish pubescence .................... 2

2. Elytra with a longitudinal yellow vitta of pubescence on each side from base to apical fourth. Ecuador (Fig. 1) ........ ............................................................................................. Pseudosparna luteolineata Mermudes & Monné sp. nov.

- Elytra with a short yellow vitta on each side of the base, or with grayish longitudinal vittae ..................................... 3

3. Apical half of pronotum covered with golden-yellow pubescence; posterior margin covered with grayish pubes- cence. Venezuela (Fig. 2) ........................................................... Pseudosparna amoena Mermudes & Monné sp. nov.

- Sides of pronotum covered with silky yellow pubescence. French Guiana, Brazil (Pará) (Fig. 4) ............................... ........................................................................................................................... Pseudosparna flaviceps (Bates, 1863)