66 
PRELIMINARY 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 Coding, 3). 
Colorado Springs (Tucker). Glenwood Springs, ^ August 
24th; Canon City, August 31st; Fort Collins, September 27th 
on Solidago spectabilis and Aster canescens, September 31st 
female depositing eggs in apple twigs (Gillette). Fort Col¬ 
lins, July 24th on Apocynum androsaemifolium, August 4tb 
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 turhida 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 
