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



1910. Davidson, W. M. Further notes on the Aphididae collected in the vicinity 

 of Stanford University. In Jour. Econ. Ent., v. 3, no. 4, p. 372-381, fig. 



28-29, Aug. 



Page 380. Records pisi from Vicia sp., cultivated bean, and Urtica holosericea. (See notes 

 under 1909, Davidson.) 



1910. Essig, E. 0. Aphididae of Southern California. V. In Pomona Col. Jour. 

 Ent., v. 2, no. 4, p. 335-338, fig. 124-125, Dec. 

 Page 336. Describes winged and wingless viviparous female Nectarophora pisi. 



1910. Fullaway, David T. Report of the entomologist. In Ann. Rpt. Hawaii 

 Agr. Expt. Station f. 1909, p. 17-46, 8 fig. 



Page 23. Describes Macrosiphum trifolii Perg. from specimens collected on Sonchus olera- 

 ceus. (The writer has examined these specimens and they prove not to be Macrosiphum 

 trifolii Perg. J. J. D.) 



1910. Gibson, Arthur. Reports on insects of the year. In 40th Ann. Rpt. Ent. 

 Soc. Ontario f. 1909, p. 9-14. 



Page 14. Occurrences of Nectarophora pisi on sweet peas but less numerous thani n 1908. 

 Parasite mentioned. 



1910. Pettit, R. H. Insects of field crops. Mich, State Agr. Col. Expt. Sta., Bui. 

 258, p. 36-84, 51 fig., February. 

 Page 47. Briefly noted as a pest on peas. 



1910. Rosenfeld, Arthur H. Insects notably injurious in Louisiana during 1908 

 and 1909. In Jour. Econ. Ent., v. 3, no. 2, p. 212-217, April. 

 Page 214. Considerable injury by Nectarophora pisi but less than in 1907. 



1910. Smith, J. B. Annual Report of the New Jersey State Museum Including a 

 Report of the Insects of New Jersey, 1909. Trenton. 



Page 118. [Nectarophora] Throughout the State south of Piedmont Plain and seasonably 

 abundant and destructive. 



1910. Saunders, William. Report of the Division of Entomology and Botany. In 

 Canada Expt. Farms Rpts. f. 1909, p. 37-64. 



Page 56. Reports serious injury to garden, field, and sweet peas by Nectarophora pisi in 

 Quebec and Ontario. Number of enemies noted, including a species of Aphidoletes and a 

 new chalcid parasite ( Megorismus fletcheri Crawf.) Remedies. 



1910. Williams, T. A. The Aphididae of Nebraska. In Univ. (Nebr.) Studies, y. 



10, no. 2, p. 85-175, April. 

 Page 168. Reported for clover in Nebraska. 



1911. Cesar, Lawson. Insects of the year in Ontario f. 1910. In 41st Ann. Rpt. 



Ent. Soc. Ontario f. 1910, p. 21-27. 



Page 26. Nectarophora destructor reported destroying field of peas. Also report of cattle 

 poisoning from eating infested vines. 



1911a. Davis, J. J. List of Aphididae of Illinois, with notes on some of the species. 

 In Jour. Econ. Ent., v. 4, no. 3, p. 325-331, fig. 10, pi. 10, June. 



Page 330. Lists pisi from Illinois under names trifolii and ulmariat . White sweet clover 

 is a new food plant listed. 



1911b. Davis, J. J. Preliminary report on the more important insects of the truck 

 gardens of Illinois. In 111. Farmers' Institute Circ. 1. 191 1, 50 p., 42 Ji.<r. 

 Also in 2fith Ann. Rpt. State Ent. 111., p. 99-160, 42 fig. Also in 111. 

 Farmers' Institute Report, v. 16, p. 216-263, fig. 1-12. 

 Page 34. Brief account of Macrosiphum pisi as pest on garden peas, and remedies. 



1911c. Davis, J. J. Williams' "The Aphididae of Nebraska;" a critical review. In 

 Univ. (Nebr.) Studies, v. 11, no. 3, 39 p. (p. 193-291), 8 pi., Julj . 

 Page 34. Listed. 



