58 PRELIMINARY LIST 



Aradiis americanus Fab, 



Colo. (Carpenter, 1). 



Rist Canon, May 29th (Gillette). 



Aradus debilis Uhl. 



Colo. (Gillette— see Osborn, 1). 

 Aradtis obliquus Uhl. 



Rist Canon, April 9th (Baker) . 

 Aradiis rectus Say. 



Colo. (Uhler, 1 and 6). Froin mountains near Beaver Brook (julch, 

 August 6th (Uhler, 5). Colo. (Gillette— see Osborn 1). 



Foi't Collins. August 19th; Steamboat Springs, July 26th; 

 Montrose, June 24th; Dolores, June ISth (Grille tte). 



Aradus tuberculifer Kirb. 



Colo. (Uhler, 6). Far up Beaver Brook Gulch, August 6th (Uhler, 5). Near 

 Idaho Springs, July 6th (Packard — see Uhler, 5). 



Phymata fasciata Gray 



Colo. (Uhler, 1). Widely distributed over the west. Common around foot- 

 hills and on plains wherever land is cultivated. Generally found on stems of 

 Euphorbias and sun-flowers (Uhler, 5). Colo. (Uhler, 8). 



Rist Canon, August 10th (C. E. Pennock). Foot-hills five 

 miles west of Fort Collins, September 1st (Gillette). Boulder, 

 September 4th (Baker) . Colorado Springs (Tucker). 



Corisctis ferns Linn. 



Colo. (Uhler, 6). Colorado Springs, .June (Yarrow— see Uhler, 7). Southern 

 Colorado June to July (Carpenter — see Uhler, 7). Widely distributed on 

 plains and in mountains and foot-hills, especially in settled portions. In damp 

 situations in Beaver Brook Gulch, Clear Creek Canon, in Denver and around 

 it at the lower levels, in the region of Colorado Springs and Manitou, near 

 Canon City, and in the valley of the Arkansas, it is quite common in August 

 (Uhler, 5). Denver, June 27th (Packard— see Uhler, 5). Ula, Custer County, 

 November 12th; West Cliffy (Cockerell, 10). Colo. (Gillette— see Osborn, 1). 



Fort Collins, September 27th, on Bigelovia and Rhus 

 trilobata, and October 7th (Baker and Gillette). Colorado 

 Springs, Green Mountain Falls (Tucker). 



Coriscus inscriptus Kirb. 



Colo, (Uhler. 1). August 14tb, Nathrop, Chaffee County (Cockerell, 3). 

 West Cliff, Custer County, July 27th; also subalpine; also in Chaffee, Gunnison, 

 and Pueblo Counties (Cockerell, 10). 



