[1] The genus Compsus was first named by Carl Johan Schönherr in 1823: col.

[2] It belongs to the subfamily Entiminae, tribe Eustylini and to the so-called "Compsus genus complex".

[3] A key to identify species was provided by Hustache in 1938 (in French),[4] which was translated to English and adjusted by O'Brien and Peña.

7–12 mm), most of them uniformly covered by scales of variable coloration ranging from white to metallic green, pink, and blue.

[3] Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela; Costa Rica, Guatemala, Mexico, Nicaragua, Panama; Guadeloupe, Jamaica, NC, SE, SW USA.