NORTH AMERICAN COLEOPTERA. 12H 



asperate ; sides nearly straight, suture rather elevated towards the apex ; apex 

 nearly straight, pale, with the edge white; abdomen black, not much exserted ; 

 legs and antennte slender, bright yellow. 



Differs from other species in its large size, very broad head and thorax, 

 attenuated elytra, erect setae and general sculpture. 



Hdh. — Central America, found by Mr. Champion near " Las Merce- 

 des," at an elevation of !{0(H) feet. 



T. lucida n. sp.— L. e. .87 mm. — Rather short and broad, much attenuated 

 posteriorly, very convex and very shining, translucent castaneous, clothed with 

 rather long golden hair; head rather large, produced in front; eyes large and very 

 prominent; thorax large, much dilated posteriorly, longer and wider than the 

 head, widest at the base, ornamented with minute remote tubercles, with the in- 

 terstices smooth and very shining; sides strongly margined and slightly rounded, 

 basal margin arcuate, with the angles acute and very much produced, pale; elvtra 

 short, narrower, and not longer than the head and thorax, widest at the shoulders, 

 much attenuated posteriorly, faintly and irregularly asperate, apex broad and 

 much rounded ; abdomen very little exposed, testaceous; legs rather short, bright 

 yellow ; autennte long and very slender, pale yellow. 



This very pretty species may be known by its very shining and trans- 

 lucent surface, pale and slender antennre, testaceous underside, and gen- 

 eral sculpture. 



Hah. — Central America, found by Mr. Cliampioii on "' Cerro Tuiiil." 

 at an altitude of 4000 to 5000 feet. 



T. glaltricollis Matthews Ann. and Mag. Nat. Hist. 17 p. 14.'!. ISfifi.— L. c 

 .87 mm. — Very short and broad, very convex shining, dark castaneous, sparingly 

 clothed with very short pale hair ; head very large and broad, smooth and shining ; 

 eyes small; thorax very large and broad, very smooth and shining, longer and 

 wider than the head, widest before the base ; sides much rounded and widely mar- 

 gined, basal margin reflexed, hinder angles broad and much produced, pale; elytra 

 rufeseeht, very short, shorter and narrower than the head and thorax, widest be- 

 hind the middle, faintly and remotely asperate ; sides broadly margined and much 

 rounded posteriorly, apex scarcely rounded, pale ; abdomen moderate, castaneous ; 

 legs and antenuie rather short and slender, bright yellow. 



Differs from all others in its very short and bruad form, very convex, 

 smooth and shining thorax, elytra widest behind the middle, and short 

 slender legs and antennjo. 



United States (Dr. Schaum ). 



T. Dohrilii Matthews Trich. Illust. p. 144, 1872.-L. c. .87 mm.— Rather 

 short, convex ; head and thorax black ; elytra rufo-testaceous, clothed with sericeous 

 golden {)ubescence ; head rather prominent, shining: eyes large, rather promi- 

 nent; thorax large, much dilated posteriorly, much longer and wider than the 

 head, widest at the base, ornamented with small remote tubercles in transverse 

 wavy rows, interstices very shining, depressed at the base; sides ratlier abruptly 

 rounded near the base, hinder angles much produce<l, acute and bmadly tiavescont ; 



TRANS. AMER. ENT. SOC. XI. (.":!) Al'UII., 1884. 



