46 PRELIMINARY LIST 



Stiphrosoina stygica Say. 



West Cliff, Custer County, July 2;th; Ula, July 30th (Cockerel!, 10). 

 Steamboat Springs, July 2()th (Gillette). Garland, June 

 30th (E. A. Schwarz). 



Halticiis bractatus Say. 



Manitou, July 24tli; Colorado Springs August Bd (Gillette). 

 I^abopidea chloriza Uhl. 



Howe's Gulch, June 14th; North Park, July 20th (Gillette). 

 Steamboat Springs, July 13th and 2()th (Baker and Gillette). 

 Aspen (W. W. Willard). 

 I^abops besperius Uhl. 



Colorado (Uhler, 1). Foot-hills and mountains, July and September (Car- 

 penter—see Uhler, 6). From bushes growing among rocks on mountainside 

 near Gray's Peak, August 6th (Ubler, 5). 



Estes Park, July 12th (Gillette). Colorado, June, on pine 

 (Riley). Veta Pass, July lst(E" A. Schwarz). 



Dicyphns californiciis Stal. 



North Park, July 20th; Montrose, June 24th; Colorado 

 Springs, August 3d; Manitou, September 29th on oak and 

 Salix (Gillette). Steaml^oat Springs, July 16th aud 2()th 

 (Baker and Gillette). Fort Collins.^'May 20th (Baker). 



Dicyphns californiciis Stal. var. agilis Uhl 

 Beaver Brook Gulch, August 7th (Uhler, 5). 



Steamboat Springs, July 16th (Baker). 



Dicyphns vestitvs Uhler n, sp. 



"Resembling I), famelicus Uliler, but much less elongated, smaller, haviug neuny linear 

 blacki.sl) antennae, with tlie apex of the second joint not thiclcened, and the colors darlver, 

 with a blaclv head and mostlj- black scutellum. Head subglobose. a little fringed with 

 pubescence, black, polislied, with a pale spot on the vertex; rostrum dull testaceous, darker 

 at tip, reaching to tlie middle coxae; antennae moderately stout, blackish, with tlie first 

 joint pale towards tlio base, tlie second joint aliout as long as the pronotuni, the third a 

 little shorter, and not mucli thinner than the second, the fourth short, acutely tapering. 

 Pronolum a little longer than wide, subcylindric anteriorly, with the sides sinuated 

 and reflexed; the collum narrow and white; the surface highly polished, dark brown, 

 with the middle broadly orange, wliich is replaced l)y dull white on tlie posterior 

 segment; the humeri are sometimes also pale orange; callosities distinct, prominent, 

 followed exteriorly l)y a swelling of the sides; posterior lobe wide, broadly sinuated 

 behind. Base of scutellum wide, uncovered, l)lack, the scutellum proper black with 

 a yellow spot on each side at base. Coxae white, legs dull yellowish, with the tip 

 of tarsi piceous. Clavus pale, with the suture dusky, corium long and narrow, 

 obscure whitish, translucent, with a small brownish spot near the base, a dusky 

 streak on the middle, a line of same color on the suture, and a double lobed spot 

 of brown on the tip; cuneus white, bordered more or less with brown at tip; membrane 



