Cephaloleia tenella Baly 1885

Small, elongate; subparallel; subdepressed; black, pronotum and elytra with paler margins. Head: vertex densely punctate, medial sulcus absent; frons densely punctate, not projecting; not depressed between eyes. Antenna: slightly longer than head and pronotum combined; slender, slightly thickened apically; antennomeres 1–2 transverse, subequal in length, 1 not thickened; 3 elongate, slightly longer than 1 or 2; 4–10 transverse, subequal in length, each shorter than 2; 11 2× length of 10, pointed at apex. Pronotum: slightly wider than long; lateral margin straight then abruptly rounding to anterior angle, canaliculate; anterior angle rounded, slightly produced; posterior angle angulate; anterior margin sinuate; disc transversely subconvex; surface deeply but not densely punctate; basal impression absent; pronotal length 0.7–0.9 mm; pronotal width 1.0–1.1 mm. Scutellum: pentagonal; alutaceous. Elytron: lateral margin straight, smooth, margined; apex obtusely rounded; sutural angle without tooth; humerus rounded, not produced; slightly constricted behind humerus; shallowly punctate-striate, rows converge and unite apically; elytral length 2.6–2.7 mm; elytral width 1.3–1.4 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 emarginate medially in male, truncate in female. Leg: slender; punctate, each puncture with pale seta; femur robust; tibia with fringe of setae on inner margin of apex. Total length: 3.4–3.6 mm.

Costa Rica, El Salvador, Guatemala, Mexico, Nicaragua, Panama.