Chnoodes pentagona Crotch, 1874

(Figure 4)

Chnoodes pentagona Crotch, 1874: 287; Sicard, 1912: 305; Korschefsky, 1932: 226; Blackwelder, 1945: 450.

Material examined. BRAZIL: Amazonas: Itacoatiara, V.1962, Dirings leg., 1 specimen (MZSP). Amapá: Macapá, 2.II.2004, A.A.B. Barbosa leg., 2 specimens (DZUP). Mato Grosso: Barra do Tapirapé, 14.XII.1964, B. Malkin leg., 1 specimen (DZUP).

Male. Length 3.12 mm, width 2.64 mm. Body elongate-oval, with long dense yellowish pubescence. General color yellowish brown, pronotum with central black spot; scutellum black. Each elytron with four black spots: the central spots fused, forming a pentagonal spot; and three on the lateral margin of each elytron, one triangular spot on the humeral callus, one rectangular spot in the middle, and one small triangular spot on the apex (Figs 4 A–D). Antennae, mouthparts, hypomera, epipleurum and legs yellowish-brown. Meso, metasternum and first abdominal ventrite black (Fig. 4 B).

Genitalia symmetrical; basal lobe wide, half length of parameres, tapered at apex (Fig. 4 E). Parameres wide, elongated, with long bristles throughout their length (Fig. 4 F). Sipho sinuous, with wide siphonal capsule (Fig. 4 G).

Female. Length 3.00–3.40 mm, width 2.40–2.80 mm. Coxites longer than wide, subtriangular; apex mammilliform, with long bristles (Fig. 4 H). Spermatheca C-shaped, elongated, with slightly narrowed apex (Fig. 4 I).

Geographical distribution. Brazil (AM, AP, MT).

Remarks. Chnoodes pentagona (Fig. 4) resembles C. brasiliensis (Fig. 1), but is clearly distinguished by the size and distribution of the spots on the elytra, and the shape of the genitalia.