New species and new records of Xenelmis Hinton (Coleoptera: Elmidae) from Southeastern Brazil.

The genus Xenelmis is found in the Nearctic and Neotropical regions. Currently, seven out of thirteen species are registered from Brazil. Here, two new species of Xenelmis from Brazil are described and illustraded-Xenelmis sinecarina sp.

Elmidae Curtis, 1830 (Coleoptera, Polyphaga, Byrrhoidea) of the Neotropical region.

A bibliography of significant taxonomic papers on Elmidae (Coleoptera, Polyphaga, Byrrhoidea), and a checklist of valid species and subspecies and their geographic distributions are provided. Forty-seven genera and 430 valid species are included. Maps show the geographic distribution of the genera by country.