66 BULLETIN 276, U. S. DEPARTMENT OF AGRICULTURE. 



1912. Morrison, Harold. A preliminary list of the plant-lice or Aphididae of 

 Indiana. In Fifth Annual Report of Indiana State Entomologist f. 1911- 

 1912, p. 195-236, 33 (unnumbered) fig., 3 pi. 

 Page 232. Occurrence of Macrosiphum pisi in Indiana, injuries and remedies. 



1912. O'Kane, W. C. Injurious Insects. 414 p., 606 fig. New York. 

 Page 200. Brief account of Macrosiphum pisi as a pest on peas. 



1912. Sanborn, C. E. Garden and truck crop insect pests. Okla. Agr. and Mech. 

 Col. Agr. Expt. Sta., Bui. 100, 76 p., 70 fig. 

 Page 43. Brief account of Macrosiphum pisi, including remedies. 



1912. Sanderson, E. D. Insect Pests of Farm, Garden, and Orchard, xii+684 p., 



513 fig. 



Page 322. General account of the pea aphis ( Macrosiphum pisi), its natural enemies and 

 control. 



1913. Davis, J. J. The Cyrus Thomas collection of Aphididae, and a tabulation of 



species mentioned and described in his publications. 111. State Lab. Nat. 

 Hist. Bui., v. 10, art, 2. p. 97-121, pi. 6-7. 

 Page 98. Examination of type slide of species described by Thomas as Siphonophora pisi. 



1913. Essig, E. O. Inj urious and beneficial insects of California. Mo. Bui. Cal. State 

 Com. Hort., v. 2, nos. 1 and 2, p. xxxi+367, 321 fig., Jan. and Feb. 



Pages 73, 203. Brief notes on Macrosiphum destructor and remedies. 



1913. Hewitt, C. Gordon. Report of the Dominion Entomologist. In Canada 

 Expt. Farms Rpts. f. 1912, p. 173-187, 1 pi. 

 Page 1S4. The destructive pea aphis reported injuring garden crops. 



1913. Lovett, A. L. Insect pests of truck and garden crops, 1913. Oregon Agr. 

 Col. Bui. 91 (Ext. Ser., no. 4), 39 p., 12 fig. 

 Page 16. Brief account of Macrosiphum pisi and means of control. 



1913. Morrill, A. W. Notes on important insects of the year. In Fifth Annual 

 Report of the Arizona Commission of Agriculture and Horticulture. June 

 30, 1913, p. 33^48, fig. 7-11. 

 Page 37. Reports injuries to garden peas by Macrosiphum pisi. Remedies. 



1913. Wilson, H. F. Notes on Podabrus pruinosus. In Jour. Econ. Ent., v. 6, 



p. 457-459, 1 fig., December. 



Notes on the beel le, Podabrus pruinosus, which has proved efficient in destroying aphidids 

 among other species Macrosiphum, pisi. Briefly describes various stages of the beetle. 



1914. Britton, W. E., and Walden, B. II. Field tests in controlling certain insects 



attacking vegetable crops. In 13th Rpt. State Ent. (Ann. Rpt. Conn. 

 Agr. Expt. Sta., pt. 3) f. 1913, p. 232-237. 



Page 235-237. Reports Macrosiphum pisi destructive to peas past season and experiments 

 in methods of control. 



I!) I I. C/esar, L. Insects of the season in Ontario. In 44th Ann. Rpt. Ent. Soc. 

 Ont. f. 1913, p. 49-53. 



Page 52. Macrosiphum pisi was troublesome in a few localities in southwestern Ontario 

 in 1913. 



I'M). Smith, L. B. Control of green pea aplii.s in 1914. ( Macrosiphum pisi.) — A 

 preliminary report. Virginia Truck Sta. Bui. 13, p. 301-312, fig. 66. 



Remedies, based on recenl spraying experiments, for the control of Macrosiphum pisi 

 .i a i" 1 I i" peas are given. 



1915. Uranigan, E. J. [Insect Notes.] In Mo. Bui. California State Com. Hort., 



v. 4, no. 5-6, p. 285, May-June. 



Macrosiphum destructor reported damaging pea crops in Alameda County. 



