140 A. MATTHEWS. 



longer but not wider than the head, widest near the middle, smooth and very 

 shining; sides moderately rounded and broadly margined, posterior angles right 

 angles; elytra very short and very convex, not longer or wider than the head and 

 thorax, widest at the middle, very faintly asperate in transverse rows, apex very 

 broad and scarcely rounded, with the edges yellow ; abdomen not much exserted ; 

 legs moderate, bright yellow, with the tibije and basal joints of the anterior tarsi 

 dilated : antennse very long and slender, bright yellow. 



Dift'ers from other species in its small size, very convex form, smooth 

 surface and shining black color. 



United States (Crotch). 



T. Aubsei Matthews Trich. Illust. p. 117.— L. c. .75 — .87 mm.— Elongate oval, 

 moderately convex, brown, rather thickly covered with pale hair; head large, 

 elongate, much rounded in front; eyes rather prominent; thorax wider but not 

 longer than the head, widest behind the middle, ornamented with very small tu- 

 bercles in close wavy rows, interstices closely reticulate ; sides much rounded, basal 

 margin straight, with the angles rather obtuse; elytra rather long, rather wider 

 and more than half as long again as the head and thorax, widest towards the apex, 

 deeply and irregularly asperate, suture slightly elevated posteriorly, apex broad, 

 slightly rounded ; legs and antennis long and slender, bright yellow. 



Diifers from other species in its long and narrow shape, pale brown 

 color, rounded thorax, and long legs and antennae. 



Of this distinct species two specimens were taken by Germaine many 

 years ago in Chili ; recently a single example was found near Washington 

 by Mr. Ulke, and several others by Mr. Champion on " Cerro Tunil," in 

 Gruatemala, at an altitude of 4500 feet. 



Matthews Trieli. Illust. ji. 110. 1872. 



Body oblong, elongate. 



Antenna, very long and slender, setose, 11-jointed, o last joints ineras- 



sated, forming an elongate, moniliform club. 

 Head large and broad. 



Pronotum short, sub-quadrate, slightly constricted towards tlie base. 

 Elytra rather long, abruptly truncate. 

 Abdomen broad, obtuse. 

 Mesosternum moderate, carinated. 



Metasternum rather long, extending to the sides of the body. 

 Venter 6 segments, apical segment either entii'e or deeply sculjitured. 

 Legs long and robust. 

 Posterior cox^ moderately distant, widely laminated. 



S. fllicornis Fairm. etLaboulb. Faun. Fr. 1, p. .3.38, 1854.— L. c. .75— 1.12 mm. 

 — Obloug, sub-parallel, convex, black, clothed with a short, yellow pubescence: 

 head large, produced in front ; eyes large, rathei' prominent: tlidrax slun't. quad- 



