Two new species of Omalodes from Dominican Republic (Coleoptera: Histeridae).

Omalodes Dejean, 1833 is the largest genus of Omalodini, with approximately 63 species described in three subgenera with an exclusively Neotropical distribution. Currently there are only two described species for the Caribbean, both of the subgenus Omalodes, and among other species they are the only ones with complete apical stria on the elytra. Two new species of this subgenus: Omalodes angelo sp.

Brazilian Histerini (Coleoptera, Histeridae, Histerinae): a new species, key to the genera, and checklist of species.

A new species of the Hister coenosus group from southern Brazil is described. Hister lucia sp. nov.

Three new species of Omalodes (Omalodes) (Histeridae, Histerinae) from South America.

Three new species of Omalodes are described from South America, including descriptions of male and female genitalia. Omalodes (Omalodes) mazuri sp. n.