64 BULLETIN 276^ U. S. DEPAETMENT OF AGRICULTURE. 
1910. Da^tdsox, W. M. Further notes on the Aphididae collected in the vicinity 
of Stanford Universit}-. In Jour. Econ. Ent., v. 3, no. 4, p. 372-381, fig. 
28-29, Aug. 
Page 380. Records -pisi from Vida sp., cultivated bean, and Urtica holosericea. (See notes 
under 1909, Davidson.) 
1910. EssiG, E. 0. Aphididae of Southern California. Y. In Pomona Col. Jour. 
Ent., V. 2, no. 4, p. 335-338, fig. 124-125, Dec. 
Page 336. Describes winged and wingless viviparous female Ncctaroplxora pi si. 
1910. FuLLAWAY, Daytd T. Eeport of the entomologist. Iji Ami. Rpt. Hawaii 
Agr. Expt. Station f. 1909, p. 17^6, 8 fig. 
Page 23. Describes Macrosiphum trifolii Perg. from specimens collected on Soncfius olera- 
ceus. (The ^\Titer has examined these specimens and they prove not to be Macrosiphum 
trifolii Perg. J. J. D.) 
1910. GiBsox, Arthur. Reports on insects of the year. In 40th Ann. Rpt. Ent. 
Soc. Ontario f. 1909, p. 9-14. 
Page 14. Occurrences of XectaropJiora pisi on sweet peas but less numerous thani n 1908, 
Parasite mentioned. 
1910. Pettit, R. H. Insects of field crops. Mich, State Agi\ Col. Expt. Sta., Bui. 
258, p. 36-84, 51 fig., February. 
Page 47. Briefly noted as a pest on peas. 
1910. RosEXFELD, Arthur H. Insects notably injmious in Louisiana during 1908 
and 1909. In Jom. 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. Sauxders, William. Report of the Di-s-ision of Entomologj' and Botany. In 
Canada Expt. Farms Rpts. f . 1909, p. 37-64. 
Page 56. Reports serious injmy 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, v. 
10, no. 2, p. 85-175, April. 
Page 168. Reported for clover in Nebraska. 
1911. C^SAR, 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. 
Jn Jour. Econ. Ent., v. 4, no. 3, p. 325-331, fig. 10, pi. 10, June. 
Page 330. Lists pisi from Illinois imder names trifolii and ulmariae. 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. 4. 1911, 50 p., 42 fig. 
Also in 26th Ann. Rpt. State Ent. 111., p. 99-160, 42 fig. Also in 111. 
Farmers' Institute Report, v. 16, p. 216-263, fig. 1-42. 
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., July. 
Page 34. Listed. 
