THE COLEOPTERA OF COLORADO. 283 



Pike's Peak, up to about 10,000 feet; Veta Pass; South Park; South 

 Fork of Sau Miguel; Leadville. 



L. chrysocoma Kirby . South Fork of Sau Miguel; Rico; Summitville; 

 Pike's Peak, 9,000 to 10,000 feet; Colorado Springs; Manitou; Cheyenne 

 Canon; Engelmann's Canon; Dome Rock; Fort Collins; Little Beaver; 

 Stove Prairie; Beaver Brook, Bowditch; Georgetown; Leavenworth Val- 

 ley; Breckenridge; Peak Eight, nearly to timber line; South Park; 

 Custer County, Cockerell; Ouray and road above; a common insect on 

 flowers. 



L. nigrouneata Bland. South Park; Upper San Juan; Summitville; 

 Ouray; Red Mountain Road; Denver; Leadville; Breckenridge. 



L. aspera Lee. Colorado, Leng; I took it along the Red Mountain Road 

 and the Mineral Point Trail, at an altitude of about 9,000 feet or more, 

 on flowers of mountain ash. 



L. CUBiTAUS Lee. Veta Pass, Bowditch. 



MonieEMA annulatum Say. La Junta; Horsetooth Mountain; Colorado 

 Springs, under leaves of Opuntia; found from June to August. 



M. i^Evigatum Bland. Pueblo, Ulke. 



M. armaTum Lee. Caiion City, under leaves of Opuntia arborescens, 

 August, Gillette; Pueblo, Bowditch. 



Monohammus maculosus Hald. Dome Rock; Buena Vista; southern 

 Colorado, Leconte. 



M. SCUTELLATUS Say. Fort Collins and vicinity; near Long's Peak; Little 

 Beaver; Colorado Springs; Engelmann's Caiion; Dome Rock; South 

 Park; Buena Vista; Leadville; Red Mountain Road; Durango; Upper 

 San Juan. The variety Oregon en sis is known from Fort Collins; Glen- 

 wood Springs; and West Cliff. 



Liopus alpha Say. Dome Rock. 



DECTES SPiNOSUsSay. La Junta; Colorado Springs; Manitou; Engelmann's 

 Canon; Fort Collins; Denver; Golden; near Pueblo; Canon City. 

 Sometimes common on wild sunflowers. 



Hyperplatys ASPERSUS Say. Ouray, on piled poplar logs; Fort Collins; 

 Horsefly Peak; Upper San Juan. 



AcanthocinuS obuouus Lee. Fort Collins; Engelmann's Caiion; West 

 Cliff; Ouray. 



A. spECTabilis Lee. West Cliff; Ute Pass. 



PoGONOCHERUS PENiCELEATus Lee. Colorado, Leng and Hamilton. 



P. mixtus Hald. Ouray, on piled poplar logs; Placerville; Rico road; 

 Gunnison; Garland; West Cliff; Estes Park; Little Beaver; Fort Col- 

 lins; Dome Rock; Colorado Springs; Idaho Springs; Breckenridge; 

 Leadville; the form simplex Lee, is known from West Cliff and Veta 

 Pass. 



P. OREGONUS Lee. Horsefly Peak; Upper San Juan. 



Saperda caixaraTa Say. Southern Colorado, Cassidy, injurious to Popu- 

 lous angulatus and Lombardy poplar; Pueblo, Gillette. 



S. MCESTA Lee. Along the Mineral Point Trail, above Ouray, common on 

 small trees of quaking asp; Pagosa Springs; Fort Collins. 



