Chaeridiona thailandica Kimoto 1998: 3 Chaeridiona thailandica Kimoto Kimoto 1999: 110 A review of the genus Chaeridiona Baly, 1869 (Coleoptera: Chrysomelidae: Cassidinae) Staines, C. L. Zootaxa 2007 2007-07-05 1521 1 19 29 T9YR Kimoto Kimoto 1998 [151,547,555,581] Insecta Chrysomelidae Chaeridiona Animalia Coleoptera 8 27 Arthropoda species thailandica   Figure 7      Chaeridiona thailandica Kimoto 1998: 3[ Holotype: Thailand, 50 kmWest of Tak, 900 m, 7–8.iv.1966, J. & M. Sedlacek/ Chaeridiona thailandica Kimoto, n. sp.Det S. Kimoto, 19 (BPBM)].  Kimoto 1999: 110(distribution). Vertex of head, pronotal and elytral discs metallic green; head and pronotum coppery laterally; elytra yellowish laterally and apically; antennae (except apical four antennomeres) and legs yellowish; venter reddishbrown. Head: wedge-shaped; acutely produced between antennal bases; carinate medially from apex to between anterior portion of eye; vertex deeply, densely punctate; with two carinae around each eye. Antenna: antennomere I robust, 2x length of II; II transverse; III longer than II; IV–VII each shorter than preceding; VIII–XI each thicker and longer than preceding, forming an elongate club. Pronotum: strongly convex; subcylindrical; quadrate; lateral margin sinuate; anterior angle notched, with 2 teeth; posterior angle rounded; surface deeply, coarsely, densely punctate; pronotal width 0.9 mm; pronotal length 0.9 mm. Scutellum: elongate; depressed; micropunctate. Elytron: lateral margin slightly expanding apically, smooth; apical margin finely serrate; exterior apical angle rounded; extra puncture row present between rows 5 and 6; interspaces 2, 4, 6, and 8 costate, all entire; humerus slightly angulate, not produced; elytral width 1.6 mm; elytral length 3.1 mm. Venter: pro- and mesosterna punctate medially, smooth laterally; metasternum smooth medially, punctate laterally. Total length: 3.8–4.4 mm.   Comparative notes.This species can be distinguished from all other  Chaeridionaby the metallic green pronotum and elytra, by having elytral costa 2 entire, and by the rounded exterior apical angle of the elytra without a tooth.  Food plants.Unknown.   Distribution. Thailand.  Specimens examined.  Thailand: ( NW),  Doi Suthrep,  1278 m,  III-29-V-4-1958, water margin ( BPBM, 1);  Thailand, 50 km Westof Tak,  900 m,  7–8.iv.1966, J. & M. Sedlacek( BPBM, 1). Total: 2. [471,661,1498,1524] NW Thailand Thailand 8 27 1 [673,1429,1498,1524] 1958-03-29 1958-05-04 1958-03-29 BPBM Thailand 1278 Doi Suthrep 8 27 1 [151,1195,1538,1564] 1966-04-07 1966-04-08 1966-04-07 BPBM J. & M. Sedlacek & Total Thailand 900 West 8 27 1 Tak