152 THE CANADIAN ENTOMOLOGIST. 



in nevadensis ; the head has, in addition to some spare pale hairs, which 

 are prominent on the c]ypeus,a brownish-sericeous pile. Length, lo-i 2 mm. 



$ . — Flagelkim longer and more graceful than in the $ , not brownish, 

 the third joint a little longer than the fourth ; clypeus, labrum, face, inner 

 orbits broadly, scape and following joint beneath, yellow. Length, 10 mm. 



Nevada. Four females and one male. Two of the females have the 

 metathorax destitute of the yellow spots. 



GORYTES ALBOSIGNATUS. 



? .—Similar to atrifrons, but is at once distinguished by the markings 

 being whitish; the flagellum is gradually thickened; the ninth to eleventh 

 antennal joints are not much longer than broad, the third joint about one- 

 third longer than the fourth ; the posterior face of metathorax strongly 

 rugulose, having the appearance of being rugged ; wings subhyaline, with 

 scarcely a yellowish tinge j abdomen with the two basal segments shining, 

 the remainder with a slight pile and a few indistinct punctures ; pygidium 

 short, a little longer than it is broad at the base, with large, scattered 

 punctures ; basal portion of clypeus, face, inner orbits — broadest beneath 

 — scape, and following joint beneath, and a spot on the second and third 

 ventral segments laterally, whitish ; the apex of the femora tibiae and tarsi, 

 except the outer side of the two anterior pair, brownish. Length, ro-12 

 mm. 



,^ . — Flagellum long, not thickened, the third joint very little longer 

 than the fourth; four anterior tibite and tarsi entirely whitish; the clypeus 

 is not strongly punctured, as in the ? . Length, 8 mm. 



Montana. Four females, two males. This and the two preceding 

 are closely aUied. 



GoRYTES MIRANDUS. 



^.— Head a Httle broader than the thorax ; front depressed medially, 

 with strong, separated punctures, the impressed line distinct; eyes scarcely 

 converging towards the clypeus ; clypeus convex, rather strongly and 

 sparsely punctured, the anterior margin incurved ; flagellum long, thick- 

 ened medially, but again narrowed to the apex, the third joint much 

 longer than the fourth, the tenth joint excised beneath. Dorsulum and 

 pleurje with large, scattered punctures ; the sutures of the pleurae with 

 short, strong striae, or marked by foveae, being strongest between the meso- 

 and metapleura ; scutelium punctured like the dorsulum ; basal triangular 

 space of metathorax well marked, strongly furrowed medially, obliquely 



