122 



Color. — Parts of the mouth, pectus, and venter pale-yellow. Face ash- 

 brow n ; cheeks dusky; from the upper edge of the eyes a pale stripe runs 

 back to the pronotum ; the occiput fades backward from brown to yellow. 

 Pronotum dusky, with paler spots. A narrow, yellow stripe along the angles 

 of the elytra; the upper field dusky; three fuscous bands across them, the 

 one nearest the apex generally more or less obliterated by the transparency 

 of this part. Wings pellucid, with a few dusky dots near the apex; nerves 

 of the apex dusky. Posterior femora, with three oblique, indistinct, brown 

 bands, black inside at base; tibiae blue ; tarsi yellow. 



Dimensions. — 5 Length, 0.87 inch ; elytra, 0.86 inch ; hind femora, 0.52 

 inch. 



Colorado, Nebraska (Thomas). 



€E. cincta, Thos., Proc Acad. Nat. Sci. Phila., 1870, 80.— Geol. Surv. Terr., 



1870, 275. 



Female. — The liead, seen from the side, shows the crown somewhat 

 elevated, the eyes also standing high. Vertex deflexed, broad, sub-hexagonal; 

 the front portion prolonged; the margins continuous with the sides of the 

 frontal costa. Frontal costa narrow above, gradually expanding below, and 

 sulcate throughout. Pronotum short, the length not exceeding the depth, 

 strongly contracted a little in advance of the middle ; the disk somewhat 

 rugose, that of the posterior lobe nearly flat ; the median carina slightly 

 elevated on the front lobes, twice distinctly notched, the middle portion 

 shortest and rounded; the whole of the disk, especially the posterior lobe, 

 more or less covered with small tubercles; lateral cariniB obsolete on the 

 anterior lobes, and obtuse and indistinct on the posterior lobe; the posterior 

 angle a little larger than a right angle. Elytra and wings extend beyond the 

 apex of the abdomen. Posterior femora rather short, not reaching the tip of 

 the abdomen in the female; broad at base, with a sharp, elevated npper 

 carina, which suddenly decreases about one-third the length from the apex; 

 the lower edge generally hairy. Antennae longer than the head and prono- 

 tmn, filifc)rm. 



Color. — Fuscous and pale yellowish-brown or ash, about equally distrib- 

 uted ih stripes and spots, the ash or yellowish-brown portions more or less mot- 

 tled with fuscous dots and points. The dark on the head as follows: two stripes 

 running back from each eye, one IVoni the upper, the other from tiie lower 



