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



d\ Tibiae sparsely, strongly spinulose; 

 antennal joints 5-10 subequal in 

 width ; elytra truncate at apex ; 

 body black, shining, broad; vesti- 

 ture fine, decumbent .... 

 e^. Tibiae more feebly spinulose. 

 c^. Legs black; upper surface with 

 numerous intermixed erect 

 setae, the general vestiture 

 close; prothorax ((J) large; an- 

 tennal joints 5-10 becoming pro- 

 gressively broader, 

 e'. Elytra elongate, closely punc- 

 tured : species large 

 p. Elytra short, rugosely punctured, 

 dull : species smaller 

 d". Legs partly or entirely red; an- 

 tennae less widened outwards. 

 g^. Upper sui'face with intermixed 

 erect setae ; vestiture long, 

 a*. Femora, tibiae, and tarsi red ; 

 elytra broadly fusco-vittate, 

 the whitish hairs along 

 suture and sides very long 



and fine 



6*. Tibiae and tarsi red; elytra 



aeneous, not vittate; joint 



11 of antennae shorter. 



a^. Antennae with intermediate 



joints rufescent ; pro- 



thorax more rounded at 



sides 



b^. Antennae black; prothorax 

 less rounded at sides 

 c*. Tarsi only red ; elytra aeneous ; 

 joint 11 of antennae long . 

 h^. Upper surface without inter- 

 mixed setae; vestiture fine; 



legs red . 



Antennae (excejit in T. diver sicornis, (J) 

 more feebly and regularly serrate 

 from joint 5, 9-11 not abruptly wider 

 than 8 ; tibiae feebly or obsoletely 

 spinulose. 



truncatipennis, n. sp. 



jmbcscens, Gorh. 

 dilaticollis, n. sp. 



fuscovittatus, n. sp. 



paleatus, n. sp. 

 fuscicornis, n. sp. 

 rufilarsis, n. sp. 



hidalgoanus, n. sp. 



