BY REV. T. BLACKBURN. 489 



DD. Elytral series notably less fine and 

 symmetrical; their punctures less 

 closely placed ; elytra in many 

 species more or less striate. 

 E. Sculpture of lateral part of elytra 

 (as in incoH'^faus, &c.) non-rugu- 

 lose and comparatively fine, 

 evenly distributed and close. 



F. Prothorax closely rugulose decolorata, Chp. 



FF. Prothorax nou-rugulose and 



much less closely punctured captiosa, Clk. 

 EE. Sculpture of lateral part of elytra 

 coarser and less evenly dis- 

 tributed, usually rugulose. 

 F. Series 9 and 10 almost confluent 

 somewhat behind shoulder, 

 and consisting of more or less 

 quadrate punctures with nar- 

 row ridge-like interstices more 

 or less continuous from series 



toseries . fastidiosa, Chp. 



FF. Series 9 and 10 continuously 

 separated by a normal inter- 

 stice, their structure not as 

 in fastidiosa. 

 G. Antennas short, much thick- 

 ened towards apex, black 

 or blackish except near base flaveola, Chp. (?) 

 GG. Antenna? less short and less 



thickened towards apex... rufescens, Chp. (?) 

 AA. Elytra having a sharply defined metallic 

 pattern (in living specimens). 

 B. Head entirely black behind from slightly 

 in front of level of hind margin of eyes; 



size large vittata, Blackb. 



BB. Head black only at extreme base or 



with at most a narrow median black 



projection; size smaller. 



C, The metallic markings include spots 



arranged in a circle common to the 



two elytra annularis, Blackb. 



CC. The post-median metallic markings 

 take the form of a wide oblique 



fascia on each elytron gloriosa, Blackb. 



32 



