60 PRELIMINARY LIST 



(Gillette). 



Diploclus luridus Stal. 



Colo. (Uhler, 1 and 6). Colorado Springs, August 10th (Uhler, 5). Manitou 

 and Garden of the Gods, July 13th to 16th (Packard— see Uhler, 5). 



Fort Collins, July 4th; foot-hills five miles west of Fort 

 Collins, June 30th (Gillette) . 



Diploclus socius Uhl, 



Estes Park, July 16th (Gillette). 



Apiomeriis flaviventris H. Schf. 



Larva from a bush in Clear Creek Canon, near mouth of Beaver Brook 

 Gulch, August 7th (Uhler, 5). Browc variety on foothills at mouth of Clear 

 Creek Canon, July 3d, in Garden of the Gods, and at Manitou, July 13th to 

 15th (Packard— see Uhler, 5). 



Apiomerus pictipes H. Schf. 



Foot-hills eight miles south-west of Fort Collins, June 30th 

 to July 12th; Silverton, June 20th (Gillette). 



Apiomerus spissipes Say. 



Colo. (Uhler, 1 and fSi. Valley of Arkansas, near Canon City, August 11th 

 (Uhler, 5). Colo. (Snow- see VanDuzee, 5). 



Apiomerus veiitralis Say. 



Colo. (Gillette— see Osborn, 1). Estes Park (Snow— see VanDuzee, 5). 



Fort Collins, May 14th on alfalfa (Baker). Foot-hills five 

 miles west of Fort Collins, Ilarch 12th to June 12th; 

 Graymont, July 15th (Gillette). 

 Pygolampis pectoralis Say. 



Fort Collins, April 6th under a board in edge of field 

 (Baker). 



•Spilalonius geniculatus Stal. 



Pueblo (John Lansing). 



Hygrotrechus remigis Say. 



Colo. (Uhler, 1). Mountains in July (Carpenter- see Uhler. «5). From water 

 on plains of Southern Colorado, June to July (Carpenter— see Uhler, 7). On 

 still water along margin of Sloan's Lake; very abundant on surface of 

 irrigating canal proceeding from Canon of Arkansas, in August (Uhler, 5). 

 Denver, July 10th; Boulder, June 20th; Manitou, July 15th (Packard— see 

 Uhler, 5). 



Near Fort Collins and in the adjoining foot-hills, common 



