2003, 227 pages, text in Spanish, 12 color photo plates illustrating 90 species, b/w drawings, distribution maps, tables. Concludes broad overview of Mexican Scarabacoidea. Includes diagnosis of 89 genera. Covers 286 species, studied from the 573 known species belonging to these families, with comments on the other species. Excellent drawings illustrate 125 species. Softcover; 8-1/2 x 11″.