66 PEELIMINARY LIST 



sufficient moisture for growth of willows. In Denver found on many weeds 

 in low places as well as willows. Also found at Canon City and in Clear 

 Creek Canon (Uhler, 5). Near Eagle River in August, and in other parts 

 of Colorado, June to September (Carpenter— see Uhler, 6). Colorado (Riley — 

 see Goding, 3). 



Colorado Springs (Tucker). Glenwood Springs, August 

 24th; Canon City, August 31st; Fort Collins, September 27tli 

 on Solidago spectabilis and Aster canescens, September 31st 

 female depositing eggs in apple twigs (Gillette). Fort Col- 

 lins, July 24th on Apocynum androsaemifolium, August 4tli 

 on alfalfa, August 11th very abundant on Glycrrhiza lepidota 

 (Baker). Specimens of apple twigs with egg punctures 

 have been received from several parts of the state, including 

 Kocky Ford, Arvada and Windsor, From the last lot, which 

 were placed in a breeding cage, there emerged on May 

 19th, numerous specimens of Cosmocoma howardii Ash. 

 (determined by Ashmead). We have often found the imago 

 infested with a minute red mite, Eupalpus echinatus Bks. 

 (determined by Banks) . Soft maple twigs in the vicinity of 

 Fort Collins are also considerably infested with the eggs of 

 this insect. 



Ceresa turbida Godg. Det. Goding. 



Colorado (Gillette— see Goding, 3). 



Steamboat Springs, July 26th; The Rustic, Larimer 

 County, August 11th (Gillette). 



Ceresa diceros Say. 



Colorado Springs (Tucker). 



Stictocephala festina Say. 



Colorado (Riley — see Goding, 3). 

 Stictocephala franciscana Stal. 



Steamboat Springs (Gillette— see Goding, 3). 



Steamboat Springs, July 26th; Rist Canon, July 30th 

 (Gillette). 



Stictocephala gillettei Godg. Det. Goding. 



Colorado (Gillette— see Goding, 1 and 3). Trinidad, May 14th (Gillette— see 

 Goding, 2). 



Fort Collins, July 29th, on Psoralea tenuiflora; Four-mile 



