NORTH A.MKRK'AN COLEOl'TERA. I.'I'.I 



lousier but not wider tlian tl)e head and thorax, deoplj' and closelv asjicralc in 

 transverse rows ; sides straiglit, apex broad, niueli rounded and j)i.ler; abdomen 

 much oxserted, piceous; legs and antennae slender, yellow: the latter diiskv. 



Dittors from others in its small size, oblong- form, and piceous abdomen ; 

 allied to T. ohscfTiKt, Wftll., from wbicli it differs in its smaller size, more 

 depressed form, and more rugose seulj)ture. 



Guatemala (Champion). 



T. siNpera Ilaldeman Journ. Acad. Nat. Sc, Phila. p. 109, 1849.— L. c. M?,— 



.''> mm. — Sub-oblong, broad, rather dei)ressed, dull black, clothed with griscous 

 liair: head very large; eyes large, rather prominent; thorax short, rather longer 

 but not wider than the head, widest at the base, ornamented with large tubercles 

 in transverse rows; sides slightly rounded, posterior angles acute, scarcely pro- 

 duced ; elytra rather longer but not wider than the head and thorax, widest at the 

 apex, deeply asperate, apex slightly rounded, with the edge wjiite; legs moderate, 

 yellow; antennse piceous. 



Differs from others in its small size, form broader posteriorly, rugose 

 sculpture, and pic(!ous antenn;c. 



United States. 



T. ainbigua Matthews Eut. Mo. Mag. 1. p. 177, ISfi.^.— L. e. .fi:!— .75 mm.— 

 oblong, rather convex, castaneous, sparingly clothed with pale hail'; head large 

 and broad; eyes small, not prominent; thora.x moderate, longer and wider than 

 the head, widest before the base, ornamented with rather large, distinct tubercles, 

 posterior angles acute, slightly produced : elytra oblong, longer but not wider than 

 the head and thorax, rather deeply asfjerate in transverse rows; sides nearly 

 straight, apex very broad and rounded, rather paler; legs long, robust, bright vel- 

 liiw ; antenna; slender, dusky yellow. 



Differs from other species in its oblong form, riither long elytra, robust 

 legs and slender antennae, castaneous color, and genend sculpture. 



rnii(>d States (Dr. Schaum). 



T, vilrea Matthews n. sp. — L. c. ..')0— .6?i mm. — (Jval, very short and broad, 

 very convex and very shining, translucent, castaneous, thinly elotheil with short 

 golden hair; head largo and broad ; eyes very large and prominent; thorax short, 

 transverse, not longer but rather wider than the head, widest before the base, or- 

 namented with very minute, indistinct, remote tubercles, interstices smooth and 

 very shining; sides rounded, basal margin nearly straight, with the angles very 

 little produced; elytra sub-quadrate, as long and as wide as the head and thora.x, 

 lightly but closely asperate ; sides rounded and contracted towards the apex, apex 

 slightly rounded : legs and antennse rather large, bright yellow. 



Differs from all otiier species in its very short, convex form and shin- 

 ing, translucent surface. 



//<(/>. — Central America, found in profusion near Dugalui. l*;in;ima. 

 by .Mr. Ciiampioii. 



T. iiKrrcns Matthews Cist. Ent. 11, p. 298, 1874. — L. c .c:; mm.— Short 

 broad, very convex, very shining, black, sparingly clothed with pale hair; head 

 large anil sliort : eyes small not prono'nent: thorax mudcrate. transverse, ratlior 



