Two new species of Chromatonotus Hebard, 1920 from Mato Grosso State, Brazil, are described: Chromatonotus chirostylatus sp. nov and Chromatonotus sinopensis sp. nov. Illustrations of the shape and coloration, tergal modification in the abdome, genital plates and the male genitalia are presented.
description; new species; Blattaria; taxonomy; Amazon
