16 PKELIMINARY LIST 



Pentatoma sayi Stal. 



Eoaring Fork (Eothrock— see Uhler, 2). Foot-hills of Colorado, September 

 (Carpenter— see Uhler, 6). Golden, August 6th (Uhler, 5). 



Silverton (Nat. Mus. Coll) . 



Pentatoma uhleri Stal. 



Colo. (Uhler, «). 

 Carpocoris lynx Fab. 



Fort Collins, June 20th to October; Estes Park, July llth* 

 Colorado Springs, August 1st (Gillette). Steamboat Springs, 

 July 12tli to 26th (Gillette and Baker). 



Trichopepla atricornis Stal. 



North-east of Denver, August 18th (Uhler, 5), 

 Trichopepla seinivittata Say. 



On weeds in vicinity of Arkansas River, August 10th (Uhler, 5). 

 Peribaliis liniholarius Stal. 



Colo. (Uhler, 1 and 5) Nymphs moderately common on several kinds of 

 Flowering plants August Bth and 8th, in Beaver Brook Gulch and Clear 

 Creek Canon. A few days later imagos taken near Colorado Springs and at 

 Manitou. August 11th taken sweeping plants in mouth of Arkansas Canon 

 (Uhler, 5). Colo. (Gillette— see Osborn, 1). 



Steamboat Springs July 12th (Baker). Bailey (Snow). 

 Veta Pass, June 24th (E. A. Schwarz) . 



Perihaliis piceiis Stal. 



Rist Canon, July 30th (Gillette) 



Holcostethiis ahbreviatiis Uhl, 



Colo. (Uhler, 1). Beaver Brook Gulch, August Bth (Uhler, 5). 



Fort Collins, June 5th to October 7th (Gillette and Baker) . 

 Steamboat Springs, July 26th (Gillette . Eist Canon 

 (Baker). 



Thyanta custator Fab. 



Colo. (Uhler, (5). Near Manitou, August IBth (Uhler, 3). Colo. (Gillette- 

 see Osborn, 1). 



Fort Collins, June 21st to October, (Baker and Gillette) . 

 Spring Canon, June 30th; Denver, July 20th; Lamar, May 

 7th (Gillette). Colorado Springs, Garden of the Gods 

 (Tucker). 



Thyanta perditor Fab. 



Colo. (Uhler, B). Pueblo, August 10th (Uhler, 5). Colorado, common 

 (Uhler, 8). 



