Eudiagogus

O'Brien, Charles W. & Kovarik, Peter W., 2000, A New Species Of Eudiagogus Schoenherr From South America (Coleoptera: Curculionidae), The Coleopterists Bulletin 54 (3), pp. 313-317 : 316-317

Key To South American Species of Eudiagogus

1 Prothorax dorsally divided (at most) by longitudinal vitta of light­colored scales into 2 dark areas, or completely black -------------------------------------------------- 2

1′ Prothorax dorsally divided by transverse and longitudinal vittae of lightcolored scales into 4 dark areas ---------------------------- E. episcopalis Gyllenhalo

2 Pale­green elytral vittae on elytral intervals 1 and 6, and elytral margin narrow and even. Covered with flat, metallic green scales, ventrally scales denser and less metallic ------------------------------------------------- E. pallidevittatus Lucas

2′ Pale pinkish to white stripes on elytral interval 6 only, moderately broad and often uneven. Most of surface black with scattered spots of scales; all scales non­metallic --------- E. stenosoma O’Brien and Kovarik , new species