Cephaloleia nigricornis (Fabricius 1792)

Elongate; subparallel; subdepressed; reddish-brown, eyes and antennomeres 4–11 darker. Head: vertex impunctate, medial sulcus present; frons not projecting; not depressed between eyes. Antenna: reaches to humerus; slender; antennomere 1 elongate, thickened; 2 transverse; 3 elongate, ¾ length of 1; 4–10 transverse, subequal in length; 11 2× length of 10, pointed at apex; 1–3 punctate with scattered setae; 4–11 setose. Pronotum: transverse, lateral margin straight for basal ¾ then rounding to anterior angle, margined; anterior angle rounded, produced; posterior angle angulate; anterior margin emarginate behind head; disc subconvex; surface sparsely and irregularly punctate; basal impression absent; pronotal length 1.1–1.3 mm; pronotal width 1.7–1.9 mm. Scutellum: pentagonal, impunctate. Elytron: lateral margin straight, smooth, margined; apex rounded; sutural angle without tooth; humerus rounded, not projecting; slightly constricted behind humerus; shallowly punctate-striate, humerus almost impunctate; puncture rows confused at apex; elytral length 4.1–4.9 mm; elytral width 2.1–2.4 mm. Venter: prosternum impunctate medially, rugose laterally; meso- and metasterna entirely impunctate; abdominal sterna punctate, each puncture with pale seta; suture between sterna 1 and 2 obsolete medially; last sternite with apical margin weakly rounded in male; strongly rounded in female. Leg: slender; punctate; femur with pale seta in each puncture; tibia dentate at apex, fringe of setae at apex. Total length: 5.6–6.4 mm.

Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Honduras, Mexico, Panama, Peru, Venezuela.