Cephaloleia luctuosa Guérin-Méneville 1844

Elongate; subparallel; subdepressed; head (except reddish-yellow frons) and scutellum black; antennae entirely black or antennomeres 8–11 yellow; pronotum reddish-yellow with black quadrangular macula medially of anterior margin extending towards base; elytra black with yellow vitta from puncture rows 4–9, not reaching apex, lateral margin usually dark, sometimes pale; venter pro-, meso-, and metasterna yellow medially, black laterally, abdominal sternite 1 yellow medially, black laterally; 2–4 black except pale marginal vitta; 5 entirely black; leg femur yellow, tibia darker. Head: vertex punctate, not rugose; Y-shaped medial sulcus present; frons punctate, not projecting; not depressed between eyes. Antenna: reaches to humerus; slender; antennomere 1 elongate, with tuft of setae at apex; 2 ⅓ length of 1, with sharp inner angle; 3 2× length of 2, triangular; 4–10 elongate, decreasing in length; 11 2× length of 10, pointed at apex; 2 punctate with scattered setae; 1, 3–11 setose. Pronotum: subquadrate; lateral margin straight then rounding to anterior angle, margined; anterior angle angulate, slightly produced; posterior angle acute; anterior margin weakly emarginate behind head; disc subconvex; surface punctate basally; basal impression absent; pronotal length 1.0–1.3 mm; pronotal width 1.4–1.6 mm. Scutellum: broadly triangular; impunctate. Elytron: lateral margin straight, smooth, narrowly margined; apex rounded; sutural angle without tooth; humerus rounded, slightly produced; slightly constricted behind humerus; shallowly punctate-striate; declivity beginning just behind humerus at puncture row 7 not edged with faint carina; elytral length 4.6–5.3 mm; elytral width 1.9–2.1 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 sinuate medially in male, truncate in female. Leg: slender, sparsely punctate; tibia with tuft of setae at apex. Total length: 6.0–7.0 mm.

Colombia, Panama.