HEMIPTERA OF COLORADO 127 



the host plant instead of Pinus edulis. 



OHhezia annae Ckll. Det. CockereU. 



Delta, August 30th on "greasewood" (Gillette). 



Orthessia occidentalis Dougl. Det. Cockerel!. 



Custer County, midalpine, in the nest of a dark brown ant with large head 

 and shiny abdomen (CockereU). 



Near Fort Collins, at various times under stones in 

 company with certain ants (Baker). 

 I^ecaniodiaspis yiiccae Twns. var. riifescens Ckll. Det. Cockerel!. 



{Frosopophora rufescens Cockerel!). 



Grand Junction, October 18th, on "greasewood" (Dr. S. M. 

 Bradbury, President West Colorado Acad. Sci.). 



Pulvinaria bigeloviae Cockerel!. 



West Cliff, Custer County, June 16th, on Bigelovia (Frank Cusack— see 

 Cockerel!, 10). 



Pulvinaria innumerabilis Rath. 



Denver, June 10th on box-elder, locust, and soft maple 

 (John Tobias). Common on soft maple and honey locust at 

 Fort Collins. 

 I^ecaniuiu {Bernardia) lieiuisphaericuiu Targ. Det. Cockerel!. 



College green house. May, on Neprolepsis exaltatas and a 

 liliaceous plant (Baker). Denver, November 24th on Cycas 

 in green house (Gillette). 



Z,ecaniuin hesperidum L. Det. Cockerel! and through Howard 



College green house, September 10th on Ai-alia, Abutilon, 

 Ficus elastica, and Rhynchespermum jasimoides; Fort 

 Collins, in open air on Veronica hendersouii (Baker). 



I^ecanium longiilnm Dougl. Det. Cockerel!. 



Denver, November 24th on rubber tree in green house 

 (Gillette^. 



I^ecanium {Bernardia) oleae Bern. Det. Cockerel! and through Howard. 



College green house, May, on Solanum jasimoides (Baker). 

 Denver, November 24th on Platycerium in green house 

 (Gillette). 



