— 193 — 



Synopses of Cerambycidae 



By Chas. W. Leng, B. S. 



(Continued from p.' 103.) 



ISCHNOCNEMIS, Thorn. 

 Contains also one species. 



I. bivittatus Dup. Mag. Z00L 1838 CI. IX. p. 58, t. 220. t. 1.; King. Dej. 

 Cat. 3 ed. p. 346. Guer. Ic. t. 45. f. 9; argentatus Chev. Dej. Cat. 3. ed. p. 346; 

 bUineatus Gory. Guer Ic. Regn.Anim. III. p. 250, Gray. Griff. Anim. King t. 95. t. 

 9; Castln, Hi>t, Nat, II. 490. t. 34, f. 9. 



Length .36-.52 in. =9-13 mm. Hab. Texas to Arizona. 



Resembles the preceding in coloring but the golden hair on the 

 thorax is arranged in a broad line on each side; the median space is 

 punctured and the external vitta is not abbreviated. The antennae in 

 both genera are as in Sphaenothecus. 



STENOSPHENUS, Hold. 

 A very complete paper by Dr. Horn will be found in Trans. Am. 

 Ent. Soc. XII. p. 177-180. We give merely the Synopsis and Biblio- 

 graphy. 

 Thorax wider than long, not narrowed at apex; 



Thorax reddish with a discal black spot notatus- 



Thorax as long or longer than wide, narrower in front. 



Punctures of elytra separated by three longitudinal smooth intervals; lugens. 



Punctures of elytra dispersed; 

 Thorax red, elytra black; 

 Femora red ; 



Thorax oval, not longer than wide, punctures numerous; elytra very ob 



liquely truncate, the outer angle spiniform, novatus. 



Thorax oblong, longer than wide, punctures few and inconspicuous; elytra 



sinuously truncate, angles not spiniform, lepidus. 



Femora black; 



Thorax oval, very nearly smooth; elytra less obliquely truncate, the angles 



sometimes spiniform, dolosus. 



ISody and legs pale brownish testaceous; 



Thorax coarsely punctured, a median smooth space only; elytra obliqueh 



truncate, both angles subspinous debilis. 



S. notatus Oliv Ent. IV. 1795, 70, p. 61., t. 7. f. 89; Hald Trans. Am. Phil. 

 \. p. 39; Lee. J. A. P. ser 2. II. p. 12. deflendus Newn Ent. p. 6: discieollis Dej. 

 < at. 3. ed. p. 355; discoideus Sturm Cat. 1826 p. 199. 

 Length .35- -48 in. 9=12 mm. Hab. Atlantic States. 

 S. lugens Lee. Proc. Ac. Phil. 1862 p. 41; 

 Length .48 in.=i2 mm. I lab. Texas. 



This species is colored like the following. 

 S. novatus Horn Trans. Am. Ent. Soc. XII. 1855 p. 179. 

 Length .38 in. =9.5 mm. Hab. Lower Cal. 

 Entomologica Americana. 27 lannary 1887. 



