204 



HALTICIN^E. 



Strise regular, though very close to each 



other ; punctuation not confused on 



the middle of the disc 3. 



Length 3 mm. ; form much broader and [p. 206. 



larger; punctures stronger Ch. birmanica, Jac, 



Length always less than 3 mm. (usually [p. 207. 



about 2 mm.) ; punctures less strong. . Ch. concinnipennis, Baly, 

 Along the basal margin of the pronotum 



is an impressed line containing a regular 



transverse row of punctures 5. 



No impressed punctate line is present .... 7. 

 Interstices between the rows of punctures 



on the elytra densely punctate and 



transversely wrinkled; surface round [p. 208. 



the scutellum gently convex Ch. nagpuremis, Duviv., 



Interstices not densely punctate and not 



transversely wrinkled ; surface round 



the scutellum not gently convex .... 6. 

 Larger insects (3| mm. long) ; colour 



greenish - black, sides of pronotum 



almost impunctate, elytral interstices 



finely punctate Ch.duvivieri, Jac, p. 208. 



Insect smaller (2 mm. long) ; colour purer 

 black, pronotum finely and uniformly 

 punctate, elytral interstices hardly 



punctate Ch. basalts, Baly, p. 209. 



All the interstices between the rows of 



punctures on the elytra distinctly 



costate 8. 



All the interstices not distinctly costate . . 12. 

 Head impunctate ; costae on elytra more 



pronounced behind the middle ; colour 



uniformly dark piceous 9. 



No such combination of characters 10. [p. 210. 



Clypeus deeply punctate Ch. subcostata, Jac, 



Clypeus not punctate Ch. montivaga, sp. n., 



Pronotum very closely punctate ; a some- [p. 211. 



what large triangular area of the 



elytra round the scutellum confusedly 



punctate; on the disc a few of the 



rows nearer the suture are not perfectly 



straight Ch. harita, sp. n., p. 211. 



Pronotum less closely punctate ; in the 

 scutellar row on the elytra the punc- 

 tuation may be irregular, but there is 

 no triangular area with confused punc- 

 tuation ; all the rows are perfectly 

 straight 11. 



Larger and broader insects (2| mm. long) ; 

 pronotal punctures almost as large as, 



or very slightly smaller than, elytral [p. 212. 



punctures Ch. bretinghami, Baly, 



Smaller and narrower insects (about 2 mm. 

 long) ; pronotal punctures distinctly 



finer than elytral punctures. Ch. si?igala, sp. n.,p. 212. 



