28 
PRELIMINARY LIST 
Manitou, July 15th; summit of Pike's Peak, 13,000 feet, July 14th; Garden of the 
Gods, July 13th; Gray’s Peak, about 14,000 feet, July 7th (Packard—see Uhler, 5). 
Everywhere, Denver to Canon City, August 6th to 18th. Among roots of yuccas, 
near Colorado Springs and Manitou. Swept from weeds near bunches of 
Asclepias in mouth of Arkansas Valley. Dwells on Asclepias (Uhler, 5). 
Ula, Custer County, November 12th (Cockerell, 10). Fort Collins (Riley and 
Blount, see Cockerell 10). Colorado (VanDuzee, 5) 
Montrose, June 24th (Gillette). Fort Collins, March 20th to 
April 20th (Gillette and Baker). Manitou Park (Snow). 
Colorado Springs (Tucker). 
Bygaeus turcicus Fab. 
Lower end of Wet Mountain Valley, just in Fremont County (Cockerell, 
10 ). 
Bargus cinctus H. Sch. 
Colorado—as succinctus (Gillette—see Osborn, 1). 
Lamar, May 7th (Gillette). Cheyenne Canon (Tucker). 
Targus succintus Linn. 
Colorado (Uhler, 1). Southern Colorado (Uhler, 6) 
Brachytropis calcarata Fall. 
Near water, in weedy places on outskirts of Denver, August 4th (Uhler, 5). 
Steamboat Springs, July 12th on Carex (Baker). 
Megaloceroea debilis Uhl. 
BerthoudPass and other parts of Colorado (Uhler, 1). Colorado (Uhler, 5). 
Fort Collins, June 4th to July 24th; Steamboat Springs, 
July 26th, and July 12th on Carex (Gillette and Baker). 
Megaloceroea rubicunda Uhl. 
Colorado (Uhler, 1 and 6). 
Trigonotylus pulcher Reut. 
Fort Collins, October 15th; Pleasant Valley, June 12th; 
Estes Park, July 12th; Lamar, May 7th; Trinidad, May 14th; 
(Gillette). Fort Collins, June 13th, on cottonwood sprouts, 
and J uly 29th (Baker). 
Trigonotylus ruficornis Fall. 
Colorado (LThler 1 and 6). On weeds and grass in damp situations near 
Denver, and also on hills near water a few miles west of Denver (Uhler, 5). 
Colorado (Gillette—see Osborn, 1). 
The last record perhaps refers to pulcher. 
Miris affinis Reut. 
Roaring Fork (Rothrock—see Uhler, 2). Hills, July (Carpenter—see Uhler, 
