Cephaloleia nigriceps Baly 1869

Elongate; subparallel; subdepressed; reddish-yellow, head and antennae darker. Head: vertex finely punctate, medial sulcus absent; frons not projecting; slightly depressed between eyes. Antenna: ½ body length; slender; antennomeres 1–4 elongate; 1 subclavate; 2 shorter than 1, thicker than 3, subequal in length to 4; 3 longest, 2× longer than 2; 5–10 transverse, subequal in length; 11 2× length of 10, broadly rounded at apex; 1–2 punctate with scattered setae; 3–11 setose. Pronotum: transverse; lateral margin straight and diverging to beyond middle then rounding to anterior angle, slightly canaliculate; anterior angle obtuse, slightly projecting; posterior angle acute; anterior margin emarginate behind head; disc subconvex; surface with disc sparsely punctate, larger punctures laterally; transverse medial basal impression present; pronotal length 1.1–1.5 mm; pronotal width 1.9–2.1 mm. Scutellum: broadly pentagonal; impunctate. Elytron: lateral margin straight, smooth, narrowly margined; apex rounded; sutural angle without tooth; humerus rounded, not produced; constricted behind humerus; finely punctate-striate, punctures nearly obsolete at apex; with ill-defined longitudinal sulcus behind humerus; elytral length 4.0–4.4 mm; elytral width 2.1–2.3 mm. Venter: pro-, meso-, and metasterna punctate; abdominal sterna punctate, each puncture with pale seta; suture between sterna 1 and 2 complete; last sternite with apical margin quadrate-emarginate and sinuate medially in male, truncate in female. Leg: slender; punctate, each puncture with pale seta; tibia with fringe of setae on inner margin of apex. Total length: 5.3–5.8 mm.

Brazil (Amazonas, Bahia, Rondonia), Peru.