Abstract
The New World species of the staphylinid subfamily Oxyporinae are revised. Only one genus, Oxyporus Fab., with two subgenera, is included in the subfamily. The genus Pseudoxyporus, described by Nakane and Sawada (1956), has been reduced to subgeneric rank. Sixteen species are included in the revision. Two new species, O. bierigi from Costa Rica and Panama, and O. balli from Mexico are described; two names are placed in synonymy [O. fasciatus Melsh. (= O. vittatus Grav.) and O. fenyesi Bernhauer (= O. mexicanus Fauvel)]; and two names are reduced to subspecific level [O. bicolor Fauvel (= O. vittatus bicolor) and O. austrinus Horn (= O. femoralis austrinus)]. All of the New World species and subspecies have been redescribed and illustrated, and a key has been included for the separation of all the taxa.

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