55 



Turner, C.E., R.W. Pemberton, and S.S. Rosenthal. 1987a. Host 

 range and new host records for the plume moth Platyptilia 

 carduidactyla (Lepidoptera : Pterophoridae) from California 

 thistles (Asteraceae) . Proc. Entomol. Soc. Wash. 89(1): 

 132-136. 



Turner, C.E., R.W. Pemberton, and S.S. Rosenthal. 1987b. Host 

 utilization of native Cirsium thistles (Asteraceae) by the 

 introduced weevil Rhinocyllus conicus (Coleoptera: 

 Curculionidae) in California. Environmental Entomology 

 6(1) :111-115. 



U.S. Department of Agriculture, Forest Service. 1988. Sensitive 



Plant Field Guide, Montana. U.S. Forest Service, Northern 



Region: Range, Air, Watershed, and Ecology Unit. Missoula, 



Montana . 



U.S. Department of Commerce. 1982. Monthly normals of 



temperature, precipitation, and heating and cooling degree 

 days 1951-1980. National Oceanic and Atmospheric 

 Administration. Climatography of the United States No. 81. 

 23 pp. 



Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.). 

 1987. Utah Flora: Compositae (Asteraceae). Great Basin 

 Naturalist Memoirs. No. 9 894 pp. 



