COLEUTPERA-BUPRESTIILE. 493 



is one-third the length of tin- bodv, minutely punctate ami scabrous, taper- 

 ing only a little in its liasal and considerably in its anterior halt', the front 

 well rounded. The el\ tra are alioiit t\\> and a half times longer than 

 broad, equal on the basal two-thirds, and then rounding rapidl\ p inward, BO 

 that the posterior outline ot the liody is more ln-oadly rounded than the 

 anterior outline; the ehtra are profusely punctate with little pits, averag- 

 ing scarcely more than O.O'J""" in diameter, distributed at pretty regular 

 interval.-, luit not forming anything like longitudinal series, and so near 

 together as to be equivalent to about fourteen rows. The whole hodv i.- 

 uniformly black. 



Length of body, 3.75"" ; of elytra, 2.5 nm ; width of body, 1.9" 11 ". 



Green River, Wyoming. One specimen, No. 1082. 



SITODKEPA Thomson 



SlTODREPA DEFUNCTA. 

 Sitodrepa de/uncta Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., II, 82 (1876). 



A single elytron, with its reverse, is very poorly preserved, more than 



twice and a half as long a.- broad, equal until near the tip, which is rounded 

 off; it is traversed by eight or nine very slightly impressed and delicate 

 punctate stri:e o.l""" apart. 



Length, 2.7f>""" : breadth, I.M;. 



Green River, \V\oming. One specimen, Nos. 191 and 15206 (F. C. 

 A. Richardson |. 



Family BUPRESTTD> Stephens. 



IMTUKSTIS Linnc. 

 Hrri;i si i.- TEKTIAKIA. 



f 



\'\. I.', Fig. ,:. 

 BuprentiH trrtiar\a Scudil., KI-JI. rro^r. (iiMil. Snrv. C;IM.. 1877-1878, I-' 1 1-1 K 1-: 



Three specimens were obtained of this >|iecie.-, all of them el\ tra. 

 One shows the two elytra crossed at the base, and a reverse of this show > 



the cast of the upper surface; the other two are single and perfect elytra, 

 both exhibiting the upper surface, one in relief, the other a.- a ca-t. l.ur 

 they are not re\erses. 'Ibis ami the two following sp.-ci. .- cla.-.-ed under 



