Key to species of Maraplia based on males
1a. Gonopod coxal process broad, plate-like, not divided, flagellocoxite distinctly hooked, Anterior part of posterior angiocoxite botrydial................................................................................. M. napa, n. sp.
1b. Not as above.........................................................................................2.
2a. Gonopod anterior angiocoxite long, evenly curved............................................ M. schusteri, n. sp.
2b. Gonopod anterior angiocoxite short, sharply reflexed............................................. M. chico, n. sp.