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 Centaurea. Niblett, M. 1955. Some insect inhabitants of the knapweeds (Centowrea spp.). London 



Nat. (1954) 34: 7-10. 

 Cirsium horridulum. Rosewall, O. W. 1922. Insectsofthe yellow thistle. Ent. News 33: 176-180. 

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 Dubautia montana. Davis, C. J. 1953. New host and insect records from the island of Hawaii. 



Hawaii. Ent. Soc. Proc. 15: 85-86. 

 Helianthus . Breland, O. P. 1939. Additional notes on sunflower insects. Ent. Soc. Amer. Ann. 



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Ent. 48 (3): 76-79. 

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 Helianthus. Cockerell, T. D. A. 1917. Sunflower insects in Virginia and Connecticut. Canad. 



Ent. 49 (6): 212. 

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Jour. Econ. Ent. 41 (5): 725-731. 

 Helianthus. Seiss, C. F. 1897. Hemiptera on sunflowers. Ent. News 8: 67. 

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Canada Dept. Agr. Pub. 944, 8 pp. 

 Lactuca. Shaw, E. L. 1930. Insects from Lactuca stems. N.Y. Ent. Soc. Jour. 38: 463-468. 

 Senecio jacohaea. Cameron, E. 1935. A study of the natural control of ragwort (Senecio 



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 Senecio. Frick, K. E. 1964. Some endemic insects that feed upon introduced tansy ragwort 



(Senecio jacobaea) in western United States. Ent. Soc. Amer. Ann. 57 (6): 707-710. 

 Solidago. See Aster. Batra, 1964. 

 Solidago. Brodie, W. 1892. Canadian galls and their occupants. Eurosta solidaginus Fitch. 



Canad. Ent. 24: 137-139. 

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Ent. 27: 197-198. 

 Solidago. Judd, W. W. 1953. Insects reared from goldenrod galls caused by Ewrosto so/zda^i7u*s 



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 Solidago. McClure, H. E. 1940. Hostess golden rod. Nature Notes 7: 263-267. 

 Solidago. Milne, L. J. 1940. Autecology of the golden rod gall fly. Ecology 21: 101-105, 1 fig. 

 Solidago. Ping, Chi. 1915. Some inhabitants of the round gall of goldenrod. Jour. Ent. and Zool. 



7: 161-179. 

 Taraxacum. Hardtl, H. 1953. Untersuchungen liber die Fauna der Taraxacum- Axien. Beitr. Z. 



Ent. 3: 69-95. 

 Vernonia baldwini v. interior. Schwitzgebel, R. B., and D. A. Wilbur. 1942. Coleoptera asso- 

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 Vernonia baldmni v. interior. Schwitzgebel, R. B., and D. A. Wilbur. 1942. Lepidoptera, 



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 Vernonia baldwini v. interior. Schwitzgebel, R. B., and D. A. Wilbur. 1943. Diptera associated 



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CONVOLVULACEAE 

 Convolvulus americanus & arvensis. Smith, Roger C. 1938. A preliminary report on the in- 

 sects attacking bindweed, with special reference to Kansas. Kans. Acad. Sci. Trans. 

 41: 183-191. 



