286 NATURAL HISTORY BULLETIN. 



P. UTIGIOSUS Suffr. North Park, July; vicinity of Fort Collins, June and 

 July; Colorado Springs, common and variable. 



P. abdominaeis Say. Colorado Springs; Buena Vista; not uncommon. 



P. othonus Say. Colorado, Horn; Horsetooth Gulch, June. 



P. pubescens Oliv. This is the species heretofore known by the name 

 viduatus Fab. It is known to occur at Canon City; Berkeley; Denver; 

 Montrose; Dolores; Colorado Springs and Fort Collins, on willows. 



P. tridens Melsh. Colorado Springs, Uhler. 



P. conformis Suffr. Colorado, Leconte. 



P. livens Lee. La Junta, Bowditch. 



P. eustrans Lee. Durango; South Fork of San Miguel; Rico; San Luis 

 Valley; Colorado Springs and lower slopes of Pike's Peak. 



P. renidens Lee. Veta Pass, Leconte; and, in doubt, from Little Willow 

 Creek and from the mountains near Montrose. 



P. subviTTATUS Lee. Leadville, beaten from foliage of dwarf pines. 



P. ATOMARIUS Melsh. Dome Rock; Alamosa; Garland; La Veta. 



P. spumarius Suffr. Durango, Bowditch. 



P. hepaticus Melsh. West Cliff; Rist Can on; Little Beaver; Colorado 

 Springs. 



Diachus auratus Fab. La Veta; Dome Rock; Colorado Springs. 



D. jERUGINOSUS Lee. Mountains southwest of Montrose; Montrose; Gar- 

 land; Denver, eating strawberry fruit. 



XanThonia decemnotaTa Say. Horsetooth Gulch, June; Dome Rock; 

 Durango; South Fork of San Miguel. 



Adoxus obscurus Linn. The dark form is recorded from West Cliff, and 

 I have seen it from the Red Mountain Road and Montrose Pass; the 

 variety vitis Fab., is known from Custer County; above timber line on 

 Pike's Peak, Snow; Red Mountain Road; South Park; Rico Road; 

 Canon of Big Blue; Fort Collins; Denver; Montrose Pass; near Palmer 

 Lake; Upper San Juan; Buena Vista; Breckenridge; Leadville. 



Myochrous SQUAMOSUS Lee. Colorado Springs; Fort Collins, May to July; 

 Lamar. 



Chrysochus auratus Fab. Colorado, Horn; Pueblo, Ulke; Berkeley, 

 July, Oslar. 



C. cobai/Tinus Lee. Dome Rock; Delta; Spring Canon; Denver, Packard. 



Typophorus caneeeus Fab. The variety quadrignttatus Lee, has been 

 seen from Lamar; Montrose; Fort Collins; and Pagosa. The form 

 aterrimus Oliv., comes from Colorado Springs, where I took it com- 

 monly in sweepings, and from Fort Collins, where it was found on wil- 

 lows and on Aster multiflorus. 



Graphops obscurus Lee. Colorado, Horn. 



G. yarians Lee. Fort Collins; West Cliff; Leadville. 



G. pubescens Melsh. Fort Collins, in sweepings, May. 



G. marcassita Crotch. Dome Rock, Snow. 



G. nebueosus Lee. Fort Collins; Colorado Springs; Leavenworth Valley; 

 Williams River; specimens were seen in the Agricultural College col- 

 lection, from Northern Colorado, which had been taken in February, 



