18 Mr. G. C. Champion's Revision of the Mexican 



g*. Legs partly red ; second antennal 

 joint ((J) about as broad as 

 long, angularly dilated at 

 about the middle externally . 

 d^. Head red or testaceous in front, 

 usually more broadly so in cJ. 

 h*. First antennal joint ( cj) strongly 

 curved, sinuously excavate 

 externally, and angulate at 

 tip, the second bluntly dilated 

 externally and with a very 

 long ajDpendage. 

 t*. Elytra more coarsely punctate, 



shining; legs black . 

 j^. Elytra more finely punctate, 

 dull ; legs and antennae 

 variable in colour, often 

 wholly testaceous . 

 t*. First antennal joint (^J) strongly 

 curved, simply concave exter- 

 nally, and rounded at tip, 

 the second joint subangularly 

 dilated externally, 

 k^. Secondantennal joint ((^) with 

 a very long stout appendage 

 P. Second antennal joint (^J) 

 with a short appendage 

 e^. Head with a sharply trilobed 

 testaceous space in front ; second 

 antennal joint {<^) with a long 

 slender appendage. 

 J*. Legs and antennae (base ex- 

 cepted) black; elytra dull, the 

 blue spots large and longi- 

 tudinally confluent . 

 k*. Legs (femora excepted) and 

 antennae testaceous ; elytra 

 shining, the basal blue spots 

 reduced to a transverse fascia 

 f^. Head with a smoother, depressed, 

 subglabrous area on each side 

 anteriorly, at least in ^J; second 

 antennal joint (J') with a long 

 appendage. 



[femoratus, Schaeff. 



[histrio, Er.] 



hlandus, Er. 



histrionicus, n. sp. 

 intermedius, Gorh, 



[tibialis, Schaeff.] 



vanpes, n. sp. 



