None.
Balyana ornata Gestro.
Balyana (Perrotella) can be distinguished by the following combination of characters:
Elongate; slightly expanding apically; color varies from yellowish-brown with dark spots to black, venter dark.
Head: vertexvertex:
occupies the area behind and between the eyes
punctate, medial carina present; with 2 transverse sulci above antennal insertions; pubescent tubercles present at base of antennae; clypeusclypeus:
usually quadrangular, elongate; joined to the labrum
and labrumlabrum:
triangular, joined to the clypeus and the oral orifice
pubescent.
Antenna: subclavate; with 10-antennomeres; antennomere 1 short; 2 longer than 1, cylindrical; 3 to 9 decreasing in length, increasing in width; 10 pointed at apex.
Pronotum: lateral margin rounded; anterior margin prolonged over head; anterior and posterior angles acute; posterior margin bisinuate; surface strongly punctate, with deep depressions.
Scutellum: quadrate; punctate.
Elytron: lateral margin smooth, margined; exterior apical angle rounded; humerus rounded, not produced; slightly constricted behind humerus; with 10 rows of punctures interrupted by longitudinal and horizontal carinae forming an irregular net-like sculpture.
Venter: punctate, each puncture with pale seta.
Leg: tibiatibia:
variable in length; joins femur and tarsus
dilated apically, with small tooth near apex.
Madagascar.
Described species: 3 (Staines 2012). Key: none.
Cocos (Arecaceae).
Berti, N. & R. D. de Chenon. 1987. Le genre Balyana Péringuey. Taxonomie et données biologiques [Col. Chrysomelidae Hispinae]. Bulletin de la Société Entomologique de France 92:79-102.
Staines, C. L. 2012. Tribe Coelaenomenoderini. Catalog of the hispines of the world (Coleoptera: Chrysomelidae: Cassidinae). http://entomology.si.edu/Collections_Coleoptera.html