Cephaloleia rosenbergi Weise 1905

Elongate; subparallel; depressed; yellowish with dark markings; antennae, head, medial longitudinal pronotal vitta, scutellum, elytral base and apex dark; venter with pro-, meso-, and metasterna reddish-yellow medially, dark laterally, abdominal sterna dark medially, pale laterally; legs dark except basal ¾ of femora. Head: vertex sparsely, irregularly punctate, medial sulcus present, sulcus present near eye; frons not projecting; depressed between eyes. Antenna: reaches to humerus; slender; antennomere 1 thick, transverse, shortest; 2 elongate, subequal to 4; 3 elongate, longer than 2; 2–4 triangularly produced in male, cylindrical in female; 5–10 elongate, subequal in length, each shorter than 4; 11 slightly longer than 10, pointed at apex; 1–3 punctate with scattered setae; 4–11 setose. Pronotum: transverse; lateral margin straight then rounding to anterior angle, narrowly margined; anterior angle slightly rounded, not produced; posterior angle subangulate; anterior margin straight; disc subconvex; surface sparsely, irregularly punctate; slight transverse basal impression present medially; pronotal length 1.4–1.6 mm; pronotal width 1.5–1.7 mm. Scutellum: triangular; punctate. Elytron: lateral margin straight, smooth, narrowly margined; apex rounded; sutural angle without tooth; humerus rounded, not produced; slightly constricted behind humerus; weakly punctate-striate, rows converge and unite apically; elytral length 5.6–6.0 mm; elytral width 2.1–2.4 mm. Venter: pro-, meso-, and metasterna impunctate medially, punctate laterally; abdominal sterna punctate, each puncture with pale seta; suture between sterna 1 and 2 complete; last sternite with apical margin bisinuate in male, rounded in female. Leg: slender; impunctate; tibia with fringe of setae on inner margin of apex. Total length: 7.5–8.0 mm.

Ecuador.