30 
PRELIMINARY LIST 
Restlienia contraterna Uhl. 
Colorado (Uhler, 1 and 6). Beaver Brook, August 6th (Uhler, 5). Idaho 
Springs, July 6th (Packard — see Uhler, 5). Colorado (Gillette see Osboin, 1). 
Restlienia insignis Say. 
Colorado (Uhler, 1 and 6). Colorado, as insignis and as rubrivittata 
(Gillette — see Osborn, 1). 
North Park, July 20tli (Gillette) . Steamboat Springs, 
July 15th; Rabbit Ears Pass, July 20th(Baker). 
Restlienia insitira Say. 
Colorado (Gillette—see Osborn, 1). 
Restlienia maciilicollis Pent. 
Foot-hills twelve miles west of Fort Collins, June 30th 
(Gillette). 
Oncerouietopus nigriclavus Beut. 
Colorado (Gillette—see Osborn, 1). 
Dolores, June 18th; Estes Park, July 12th (Gillette). 
Steamboat Springs, July 13th (Baker). Colorado Springs 
(Tucker). 
Oncerometopus ruber Beut. 
Foot-hills five miles west of Fort Collins, September 1st 
(Gillette). 
Ropidea confLuens Say. 
Estes Park (Snow). North-east Colorado (Riley). 
Ropidea liiarginata Uhl. 
Colorado (Uhler, 8). 
Ropidea media Say. 
Foot-hills and plains, September 19th and October 4th (Carpenter—see 
Uhler, 6). Plentiful at Denver, Golden, Colorado Springs, and in the valley of 
the Arkansas near Canon City, August 5th to 18th. Occured most frequently 
upon the wild rose bushes (Uhler, 5). August 12th at Cottonwood Creek, 
Pleasant Valley, Fremont County (Cockerell, 3). West Cliff, Custer County, 
July 31st on Glycyrrhiza lepiclota (Cockerell, 10). Colorado (Gillette—see 
Osborn, 1). « 
Ropidea nigridia Uhler n. sp. 
“Thicker and more compact than L. media Say, mostly dull black, pubescent, narrowly 
margined with rufo-fulvous or rufous on the outer border of the corium, including most 
of the cuneus. Head a little thicker than typical, dull black, pubescent, with a yellow 
spot on each side of the vertex next the eye, continued slenderly downward, a red spot 
on each side of the tylus, and the cheeks and sides below also red, with black sutures, the 
