32 MASS. EXPERIMENT STATION BULLETIN 261 



Graf. J. E. 



1926. Climate in relation to Mexican bean beetle distribution. 

 Jour. Econ. Ent. 18:116-121. 



1928. Mexican bean beetle moves into new areas. 



Official Record 7:1, 3. 

 Hinds, W. E. 



1920 Mexican bean beetle situation. Jour. Econ. Ent. 13:486-488. 



1922. (Mexican bean beetle.) 



U. S. Bur. Ent. Insect Pest Survey Bui. 2:20. 

 Howard, N. F. 



1922a. The Mexican bean beetle in its bearing on Florida citrus growing. 



Fla. St. PI. Bd. Quart. Bui. 6:15-24. 

 1922b. The Mexican bean beetle in the southeastern U. S. 



Jour. Econ. Ent. 15:265-274. 

 1924. The Mexican bean beetle in the East. 



U. S. Dept. Agr. Farm. Bui. 1407:1-14. 



1927. Correlation of Mexican bean beetle population with original for- 

 est type. Science 65:499-500. 



Howard, N. F. and English, L. L. 



1924. Studies of the Mexican bean beetle in the Southeast. 



U. S. Dept. Agr. Bui. 1243:1-50. 

 Knight, H. H. 



1924. On the nature of the color patterns in Heteroptera with data 



on the effects produced by temperature and moisture. 

 Ann. Ent. Soc. Amer. 17:258-272. 

 Marcovitch, S. 



1926. "Supplementary investigations of fluosilicates as insecticides. With 



observations on the effects of heat and drouth on the Mexican 

 bean beetle. Tenn. Agr. Exp. Sta. Bui. 134:10-12. 

 Montgomery, J. H. 



1920. (Mexican bean beetle in Alabama.) 



Fla. St. PI. Bd. Quart. Bui. 5:2-3. 

 Pepper, J. O. 



1926. (Mexican bean beetle.) 



U. S. Bur. Ent. Insect Pest Survey Bui. 6:109. 

 Sweetman, H. L. 



1929. Precipitation and irrigation as factors in the distribution of the 



Mexican bean beetle, EpUachna corrupta Muls. 

 Ecology 10:228-244. 

 Thomas, F. L. 



1924. Life history and control of the Mexican bean beetle. 



Ala. Agr. Exp. Sta. Bui. 221:5-99. 

 Transeau, E. N. 



1927. Vegetation types and insect devastations. Distribution of the Mex- 

 ican bean beetle and European corn borer in Ohio. 



Ecology 8:286. 



Publication of this document approved by the 

 Commission on Administration and Finance 



3 m-3-'30. No. 81( 



