Backswimmers
Guides
Martarega
backswimmers
Martarega is a genus of backswimmers in the family Notonectidae, containing approximately 13-20 described species distributed throughout the Western Hemisphere from the southern United States to Argentina. The genus was established by White in 1879 and is classified within the tribe Nychiini. Brazil harbors the greatest diversity with 14 recorded species, though distributional gaps remain across 11 Brazilian states. Recent records have documented the first occurrence of the genus in the United States and expanded known ranges in eastern Brazil.