NORTH AMERICAN COLEOI'TKRA. . lol 



Differs from other species in its short attenuated form, castaneous 

 color, peculiar sculpture of the thorax, and largely incrassated club of the 

 autennje. 



Central America (Motschulsky and Champion). 



T. rufesceiis Matthews n. sp. — L. c. .87 nun. — Ovate, very convex, shining, 

 head and thorax black, elytra rufofuscous, clothed with short flavescent hair; head 

 large: eyes lai"ge and prominent; thorax very large, dilated at the base, longer 

 and much wider than the head, widest at the base, rather closely covered with 

 distinct tubercles, interstices shining; sides rounded and strongly margined, hinder 

 angles broad and much produced ; elytra short, much attenuated posteriorly, rufous 

 brown, not longer and rather narrower than the head and thorax, closely but 

 rather faintly asperate; sides nearly straight, apex much rounded, pale, with the 

 edge white; abdomen moderate, rufous brown; legs very robust, bright yellow, 

 with the basal joints of all the tarsi dilated : antennse rather slender, yellow. 



Differs from others in its convex and attenuated form, rufous brown 

 elytra and abdomen, bright yellow legs and antennae. 



Vera Paz (Champion). 



T. afoitiiiria Dr. Geer Mem. Hist, des Ins. 4 p. 218, 1774. — L.c. .75 — .87 mm. 



—Short and Imiad, very convex, pitchy black, shining, densely clothed with ratlier 

 long fulvous hair; head large and prominent; eyes moderate; thorax very large 

 and very convex, longer and much wider than the head, widest at the base, orna- 

 mented with small remote tubercles, with the interstices very shining; sides mar- 

 gined and rounded, hinder angles very much produced, broadly flavescent; elytra 

 short, fuscescent, posteriorly attenuated in % , nearly quadrate in 9 > narrower, 

 but rather longer than the head and thorax, deeply asperate in transverse rows, 

 apex oblique, slightly rounded, apex broadly, and sometimes the sides, flavescent; 

 abdomen rather long, obtuse; legs and antenna* bright yellow, femora rather 

 dusky. 



Differs from others in its short form, largo tlioriix. widest at the base, 

 and in scvilpture. 



United States. 



T, Klnuva Matthews n. sp. — L. c. .75 mm. — Rather short, male much atten- 

 uated posteriorly ; female oblong, convex, not shining, castaneous brown, thickly 

 covered with short, sericeous, glaucous hair; head large and broad; eyes not 

 prominent; thorax large, mucli dilated posteriorly in the male, much longer and 

 wider than the head, widest at the base, thickly covered with small tubercles in 

 I'lose wavv rows, interstices smooth ; sides moderately rounded, scarcely margined, 

 basal margin sinuated, with the angles broad, very acute and much produced; 

 elytra sub-quadrate, rather narrower, not longer than the head and thorax, widest 

 at tlie shoulders, closely and deeply transversely asperate ; sides nearly straight, 

 apex rounded, broad and pale, with the edge white; abdomen considerably ex- 

 serted, ferruginous, apex distinctly bidentate ; legs robust, bright yellow : antenna' 

 very slender, pale yellow. 



Differs from other species in its rufo-glaucous color, dense sericeous 

 pubescence, slender antenniTt?, and very close .sculpture. The female is 

 iiKirc (ildono- in form tliiin the male. 



