306 NATURAL HISTORY BULLETIN. 



A. elongaTus Lec. Dolores; larva on Bigelovia, Baker. 

 Anthonomopsis mixtus Lec. Fort Collins; Colorado Springs. 

 Pseudanthonomus vaudus Dietz. Colorado, Dietz. I have a species of 



this genus from Colorado Springs, where it was abundant on wild 



cherry. 

 CHEivONYCHUS longipES Dietz. Colorado, Dietz. 

 Orchestes niger Horn. La Veta; Garland; Veta Pass, 9,200 feet. 

 O. parvicoeUS Lec. Colorado, Dietz. 



O. CANUS Horn. Horsetooth Gulch; Rist Canon; San Juan. 

 O. rufipes Lec. Near Swift Creek, Custer County, above 8,000 feet, 



Cockerell; Buena Vista; West Cliff; La Veta; Garland; Veta Pass, 9,200 



feet. 

 O. subhirtus Horn. Durango, Bowditch. 



Eixeschus ephippiatus Say. Alamosa; Garland; La Veta; Fort Collins. 

 Macrorhoptus hispidus Dietz. Greeley. 

 Proctorus decipiens Lec. La Veta; Garland. 

 Tychius lineeixus Lec. A variety of this species is reported by Packard 



from Golden and Manitou. 

 T. tectus Lec. Garland; Montrose; canons near Boulder; Pleasant Valley; 



Fort Collins; Buena Vista; often very abundant. 

 Nanophyes paleidultjs Grav. Alamosa, Schwarz. 

 L^mosaccus PLAGiATus Fab. Southern Colorado, Leconte. 

 ConoTrachelus affinis Boh. Rist Canon, May. 



C. Nivosus Lec. Rist Canon; Trinidad; vicinity of Fort Collins in general. 

 C. LEUCOPHVEATUS Fah. Fort Collins, Cassidy; Colorado Springs; Chimney 



Gulch. 

 Rhyssematus lineaTicolus Say. Fort Collins, on Asclepias speciosa. 

 Acali.ES basalis Lec. Colorado, Leconte; La Junta, Bowditch. 

 A. porosus Lec. Colorado Springs, abundant on cacti; La Junta; Trinidad; 



what seems to be the same species was taken by Prof. Gillette in north- 

 ern Colorado in February. 

 A. clathraTus Lec. West Cliff, Cockerell. 

 Cnemogonds Epilobii Payk. Durango, Bowditch. 

 Acanthosceus curtus Say. West Cliff; La Veta. 

 A. acephalus Say. Colorado, Dietz; Fort Collins, on QLnothera biennis; 



I have the variety tenebrosus Dietz, from Colorado Springs. 

 AuLEUTES ASPER Lec. Colorado, Dietz. 



CcELiODES apicaus Dietz. Colorado, Dietz; Fort Collins, June and July. 

 CeuTORHYNCHUS RAP^ Gyll. Mr. Bowditch reports it from the mountains 



southwest of Montrose. Dr. Dietz thinks that the specimens referred 



to rapes in this country are really different and gives to them the name 



affluentus. 

 C. SERICANS Lec. Alamosa; Garland; Veta Pass, 9,200 feet. 

 C. decipiens Lec. Garland; Veta Pass, 9,400 feet; Colorado Springs; Fort 



Collins. 

 C. pusio Mann. Buena Vista; Leadville; North Park; Dolores; Mineral 



Point Trail, above Ouray, 9,000 to 10,000 feet. 



