258 NATURAL HISTORY BULLETIN. 



S. phelpsii Crotch. Garland; Mountains southwest of Montrose. 

 S. xaviculatus Casey. Colorado, (Rocky Mountains), Casey. 

 S. COLORADENSis Horn. Garland, Horn. 

 S. intrusus Horn. Salida, Wickham. 

 Coccidula occidentalis Horn. Fort Collins. 



endomychid.e. 



Lycoperdixa ferruginea Lee. West Cliff. 



Aphorista morosa Lee. Pagosa Springs, Hayward; Durango, Bowditch; 



Horsetooth Gulch; Estes Park; Yeta Pass; Ouray; West Cliff; not a 



common insect. 

 A. pallida Horn. Colorado, Horn. 

 Epipocus unicolor Horn. Colorado, Horn. 



EROTYLID.E. 



Languria mozardi Lat. Fort Collins, April. 



L. L^ETA Lee. Yicinity of Fort Collins, April and June. 



L. LECOXTEi Crotch. Colorado Springs. 



L. divisa Horn. Colorado, Horn. 



Tritoma thoracica Say. Colorado, Snow. 



T. californica Lee. Smith's Park, Cockerell; La Yeta; Gunnison. 



T. flavicollis Lee. Colorado Springs, common; Trinidad; Fort Collins; 

 Gunnison; Pagosa Springs; Mountains southwest of Montrose. 



Erotylus boisduvali Chev. '"Usually taken on Pinus ponderosa and not 

 taken at an altitude of above 9,000 feet. Abundant in the foothills 

 of the Front Range, not found by Carpenter on the Pacific slope" 

 (Ulke); Custer County, Cockerell; Durango; Pagosa Springs; Chimney 

 Gulch; Dome Rock; Boulder; Fort Collins and vicinity; Stove Prairie; 

 Denver to Georgetown; Clear Creek Canon and adjacent mountains; 

 Colorado Springs; Pike's Peak, 7,000 to 8,000 feet. Generally found on 

 logs or flying. 



COLYDIID.E. 



Ditoma ornata Lee. Trinidad, May, collected from beneath bark of Cot- 

 tonwood log by Professor Gillette. 

 Aulonii'm 1.0NGUM Lee. Colorado, Horn. 

 Bothrideres montanus Horn. Mountains near San Juan, Horn. 



CUCUJIDtE. 



Silvaxus sirinamensis Linn. Fort Collins. 



S. planatfs Germ. Colorado Springs, one specimen; Trinidad, under bark 



of cottonwood log, Gillette; Northern Colorado, Gillette. 

 Pediacus FUSCt'S Er. Alamosa; Breckenridge; Pike's Peak, 7,000 to 8,000 



feet. 

 P. depressus Hbst. Yeta Pass, 9,200 feet. 



