Pelocoris Stl, 1876 of northeastern Brazil (Hemiptera: Heteroptera: Naucoridae): first records and a key to the species.

Naucoridae is a family of aquatic bugs, distributed in tropical and subtropical regions of the world, and comprises 437 species, 47 genera, and eight subfamilies. Five subfamilies, 10 genera and 68 species have been recorded from Brazil. Pelocoris Stl is a genus exclusive to the New World, with 14 species described; eight species and two subspecies have been recorded from Brazil.