Dushimys, gen. nov.

Type species. Dushimys larsi, sp. nov.

Referred species. None.

Diagnosis. A member of the tribe Oryzomyini distinguished by the following combination of characters: size medium; labial accessory root of m1 and M1 present, but m1 lingual root absent; m2 with two anterior roots; M1 divided by anteromedian fossette which is fused with anteroflexus; anteromedian flexus absent; anteroloph not fused with anterocone labially; M1 paracone connected to anterior protocone; M3 metaloph absent, metacone not distinct from labial cingulum; M3 posteroloph present, continuous with labial cingulum; m1 anteromedian fossettid present; m1 ectostylid absent; m1–2 mesolophid present; m2 anterolophid absent, but m3 anterolophid usually present; m2–3 anterolabial cingulum present; m3 posteroflexid present; m3 mesolophid absent.

Comparisons. See under the type and only species.

Etymology. After a local nickname of the island of Curaçao, Dushi Kòrsou (“Sweet Curaçao ”).