Group 2: Dichotomius (Cephagonus) fissus (Harold) species-group

Diagnosis. among Cephagonus ı this species group is separated by the following combination of characters: clypeo-genal angle sub-straight in malesı obtuse in females (as in spadiceus and some species of ascanius and quadraticeps groups); anterior portion of pronotum with wide emargination and/or declivity (Figure 16 (a)); elytral interstriae flatı weakly impressed and/or with shiny blue or copper hue near the base and/or with microsculpture (as in D. mundus and D. baiano) (Figure 9 (b-e)) and female sixth abdominal ventrite with a pair of triangular projections reaching pygidium margin (as in spadiceus group) (Figure 7 (b)).

Representatives. 2.1: D. fissus; 2.2: D. fonsecae; 2.3: D. baiano; 2.4: D. fernandosilvai ı 2.5: D. filgueirasi; 2.6: D. seag .