THE COLEOPTERA OF COLORADO. 273 



Trichodes ornaTuS Say. West Cliff and vicinity, common on various 

 flowers; Dillon; South Park; Poncha Springs; Durango; Ouray; Red 

 Mountain Road; Upper San Juan; Little Willow Creek; Canon of Big 

 Blue; Mountains southwest of Montrose; South Fork of San Miguel; 

 Colorado Springs; Buena Vista; Leadville; Breckenridge; Denver; Fort 

 Collins; Boulder; Stove Prairie; Georgetown; Leavenworth Valley; 

 Silver Plume; Micawber Mine; Beaver Brook; Dome Rock; Garland; La 

 Veta; more abundant at high altitudes. 



T. nuTTaeei Kirby. Golden, Packard; Boulder, Gillette; Dome Rock. 



Ci,ERUS SPInoi^E Lee. Durango, Hayward. 



C. anaeiS Lee. Colorado, in flowers of prickly pear, Putnam; La Junta, 

 Bowditch. 



C. ouadriguTTATUS Oliv. Garland; Veta Pass, 9,400 feet; Lamar. 



C. abrupTus Lee. Fort Collins, June to August; Chimney Gulch; Poncha 

 Springs; La Junta; Colorado Springs; Durango. 



C. CORDIFER Lee. Fort Collins, July and August; Morrison, Oslar; Colo- 

 rado Springs; southern Colorado, Leconte. 



C. nigrivenTris Lee. Buena Vista and Leadville, running on lumber 

 piles in July; Little Willow Creek; Mountains southwest of Montrose; 

 Florissant. 



C. SPHEGEUS Fab. Leadville; West Cliff; Beaver Brook, not common. 



C. MCESTUS Klug. Ouray; Durango; Little Willow Creek; Buena Vista, on 

 lumber piles; Montrose, Gillette; Florissant. 



ThanaSimus undueaTUS Say. Little Beaver; Dome Rock; Veta Pass, 

 9,200 to 11,500 feet; Breckenridge; Leadville; Rico; often found running 

 in the sunshine on piles of lumber. 



Hydnocera unifasciaTA Say. Rocky Ford, Gillette. 



H. subfasciaTa Lee. Vicinity of Fort Collins; The Rustic; Big Narrows of 

 Poudre; Bellevue; Colorado Springs; Buena Vista; Mount Lincoln, 

 10,000 to 13,000 feet; Garland; La Veta; Alamosa; Durango; Rico. 

 Occurs from June to August. 



H. sub^Enea Spin. Colorado, Horn. 



H. humeraeis Say. Vicinity of Fort Collins; Colorado Springs; Canon 

 City; Durango; Mountains southwest of Montrose. Not usually com- 

 mon, occurs from June to August. 



H. cyanescens Lee. Upper San Juan. 



H. DiFFiouS Lee. Mount Lincoln, Bowditch. 



H. pubescEns Lee. Colorado, Putnam. 



H. scabra Lee. Upper San Juan; Durango; Alma. 



H. pedaeis Lee. Spring Canon; Rist Canon; March and July. 



H. eongicolus Ziegl. Fort Collins, July, Baker. 



Necrobia rufipes Fab. Pikeview, El Paso County, Cockerell. 



N. vioeacea Linn. West Cliff; Florissant; La Junta; Colorado Springs; 

 Buena Vista; Breckenridge; Leadville; Durango; Montrose; Ouray; Fort 

 Collins; Dolores; Manitou; Garland; La Veta; a very common species 

 on drying carrion. 



