Taxon classification Animalia Coleoptera Chrysomelidae

Cephaloleia castanea Pic, 1929a Fig. 94

Cephalolia castanea Pic 1929a: 139.

Cephaloleia castanea Pic. Uhmann 1957b: 16 (catalog); Descarpentries and Villiers 1959 a: 139 (types).

Description.

Elongate; subdepressed; shining; reddish-yellow; antennae black; legs yellowish. Head: vertex moderately, irregularly punctate, faint medial sulcus present; frons not projecting; depressed between eyes. Antenna: as long as head and pronotum combined; slender; antennomere 1 short, transverse; 2-4 elongate; 2 thick, subequal to 1; 3 slightly longer than 2; 4 ¾ length 3; 5-10 subequal in length, each ¾ length of 4; 11 2 × length 10, pointed at apex; 1-3 punctate with scattered setae; 4-11 setose. Pronotum: quadrate; lateral margin straight and slightly divergent for basal ¾ then rounding to anterior angle, slightly canaliculate; anterior angle broadly rounded, not produced; posterior angle acute; anterior margin curved anteriorly; disc subconvex; surface strongly, irregularly punctate; basal impression absent; pronotal length 1.1 mm; pronotal width 1.4 mm. Scutellum: pentagonal; alutaceous. Elytron: lateral margin straight, smooth, narrowly margined; apex rounded; sutural angle without tooth; humerus rounded, produced; slightly constricted behind humerus; moderately punctate-striate; elytral length 3.7 mm; elytral width 1.6 mm. Venter: obscured by card. Leg: slender; femur and tibia punctate; tibia with fringe of setae on inner margin of apex. Total length: 5.0 mm.

Diagnosis.

This species is similar to Cephaloleia nigricornis and Cephaloleia opaca . It can be distinguished by the punctate vertex of the head with a medial sulcus and by antennomere 3 being longer than 1.

Distribution.

Brazil ( Río de Janiero).

Type material examined.

Holotype: Rio, Fry [handwritten label]/ Cephalolia [handwritten label]/ castanea sp. n. [handwritten label]/ Type [handwritten label]/ Museum Paris Coll. M. Pic [blue printed label]/ Type [red printed label]/ Holotype [red printed label]/ MNHN EC 2646 [printed label] (MNHN).