Tetracha is a genus of metallic tiger beetles in the family Cicindelidae, formerly treated as a subgenus within the genus Megacephala.

Tetracha species are exclusively New World in distribution, while Megacephala are exclusively Old World in distribution.

[1] There are ~100 described species in Tetracha.

[2][3][4][5] Data sources: i = ITIS,[2] c = Catalogue of Life,[3] g = GBIF,[4] b = Bugguide.net[5]