— '93 — 



Synopses of Cerambycidae- 



By Chas. \V. Leng, B. S. 



(Continued from p. 103.) 



I3CHN0CNEMIS, Th(ym, 

 I'ontuins also one species. 



I. bivittatus Dup. Mag. Z')ol. 1838 CI. IX. p. 58, t. 220. t. 1.; Klug. DeJ. 

 <.'at. 3 eel. p. 346. Guer. Ic. t. 45. f. 9; ar{ienfaius Cliev. Dej. Cat. 3. ed. p. 346: 

 hUineatns Gory. Guer Ic. Regn.Anini. III. p. 250, Gray. Griff.Anim. King t. pq. t. 

 9: Castln, Hist, 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. Ihe antennae in 

 both genera are as in Sphaenothecus. 



STENOSPHENUS, Eald. 

 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- 

 gniphy. 

 Thorax wider than long, not narrowed at apex; 



Thorax reddish with a discal black spot notatus- 



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



Punctures of elytra separated by three longitudinal smooth intervals; lugen.s. 



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 angle- 

 sometimes spiniform, dolosus. 



Body and legs pale brownish testaceous; 



Thorax coarsely puncturcxi, a median smooth space only; elytra obliquely 



truncate, both angles subspinous debilis. 



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

 -'^- P- 39; Lee. J. A. P. ser 2. II, p. 12. deflendus Newn Ent. p. 6: ditricoUis Dei. 

 Cftt. 3. ed. p. 355; discoidens Sturm Cat. 1826 p. 199. 

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

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

 Length .48 in. =12 mm. Ilati. 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 Fanuarv 188-. 



