Chelobasis bicolor Gray ex Cuvier 1832

Oblong-elongate; pronotal and elytral markings extremely variable. Head: frontal horn narrows to apex,apex rounded or truncate; depressed between eyes; vertex and frons impunctate; clypeus micropunctate.Antennae: antennomere 1 robust, thickened, with projection on inner apical margin, flattened ventrally,projection reaches to near apex of 2; 2 cylindrical, short, 1/2 length of 3; 3 cylindrical, longest, as long as 1 and2 combined; 4-7 each subequal in length; 8-10 transverse, wider and shorter than preceding; 11 rounded atapex; 1-10 with scattered setae, 11 setose. Pronotum: transverse; lateral margin sinuate; anterior anglerounded; posterior angle acute, with large punctures; slightly depressed at base; pronotal length 1.7-2.1 mm (n=20); pronotal width 2.9-3.4 mm. Scutellum: elongate triangle; alutaceous. Elytron: oblong, parallel;apices cojointly rounded; punctate striate; lateral and apical margins smooth; humerus rounded, not produced;punctures moderately impressed; rows tend to coalesce at apex; elytral length 7.0-9.1 mm; elytral width 4.3-4.4 mm. Venter: pro- and mesocoxae large, globular; prosternal process acute at apex, expanded behindprocoxae. Leg: tibia broadly expanded at apex; pro- and mesotibiae toothed along apical margin; metatibiawith row of stiff setae on apical margin; femur sparsely punctate. Total length: 10.1-11.3 mm.Larva. (from Maulik 1931). Total length 9–13.5 mm. Total width 5.5–7.0 mm. Body flat, upper surfacesomewhat convex longitudinally; sides expanded into interlacing flaps which have a fringe of fine setae;ovoid. Head: covered from above by two overlapping expansions; epicranial lobes bifurcate; antennae welldeveloped, three segmented; mandible tridentate; maxillary palps with two segments; labial palps with onesegment; four ocelli placed near outer margin of each antenna; legs widely separated; spiracles visible fromabove, spiracle 8 larger than others.

Larval host plant. Wild banana; Heliconia sp. (Heliconiaceae); Musa sp. (Musaceae). Adults have been collected on Heliconia sp., Heliconia curtispatha Peterson, Heliconia imbricata (Kuntze)Baker,Heliconia irrasa R.R. Sm.,Heliconia latispatha Benth.,Heliconia metallica Planch. & Linden,Heliconia platystachys Baker, Heliconiatortuosa Griggs,Heliconia vaginalis Benth., andHeliconia wagneriana Peterson,Heliconia cathaetaR. R. Sm., Calathea latifolia Klotzsch, (Marantaceae).

Chelobasis bicolor es un coleóptero de la familia Chrysomelidae.

Fue descrita científicamente por primera vez en 1832 por Gray.​

Chelobasis bicolor là một loài bọ cánh cứng trong họ Chrysomelidae. Loài này được Gray miêu tả khoa học năm 1832.