THE PEA APHIS WITH RELATION TO FOEAGE CROPS. 67 



1915. Caesar, L. Insects of the season in Ontario. In 45th Ann. Rpt. Ent. Soc. 

 Ontario f. 1914, p. 42^6. 



Page 45. Reports injury to late peas by Macrosiphum pisi. 



1915. Essig, E. 0. Injurious and beneficial insects of California. Supplement Mo. 

 Bui. California State Com. Hort., v. 4, no. 4, lxxxi+541 p., 503 fig. 

 I'age 104. Brief account of Macrosiphum pisi. 



1915. Lochhead, W. Brief notes on some of the injurious insects of Quebec, 1914. 

 In 45th Ann. Rpt. Ent. Soc. Ontario f. 1914, p. 59-61. 



Tage 60. Reports considerable injury to peas by Macrosiphum pisi. 



1915. Petch, C. E. Insects injurious in southern Quebec, 1914. In 45th Ann. Rpt. 

 Ent. Soc. Ontario f. 1914, p. 70-71. 



Page 71. Reports considerable injury by Macrosiphum pisi. 



1915. Ross, W. A. Reports on insects of the year. Division No. 7, Niagara Dis- 

 trict. In 45th Ann. Rpt. Ent. Soc. Ontario f . 1914, p. 22-25. 

 Page 24. Macrosiphum pisi was very destructive to j>eas. 



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