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



1901b. Sanderson, E. D. Danger from green pea-louse. In Rural New-Yorker, 



v. 60, no. 2692, p. 268, April 13. 



Reply to correspondent who reports injury to fodder peas by the pea louse and of the 

 successful use of whale-oil soap in combating it on garden peas. 



1901c. Sanderson, E. D. The destructive pea louse (Nectarophora pisi Kalt.). 

 In 12th Ann. Rpt. Del. Col. Agr. Expt. Sta. f. year ending June 30, 1900, 

 p. 169-186, fig. 8, pi. 2-3. 



Account contains bibliography, description of the insect, past history, life history, injury, 

 natural enemies, cause of outbreaks, and means of control. 



*1901d. Sanderson, E. D. Successful sprayer for the pea louse. In Rural New 

 Yorker, v. 60, no. 2685, p. 481-482, fig. 204-205, July 13. 



1901. Smith, John B. Report of the entomologist. In 21st Ann. Rpt. N. J. Agr. 



Expt. Sta. f. 1900, p. 479-572, 10 fig. 



Page 505. General account of the life history of Nectarophora destructor. Review of known 

 remedies and preventives. 



1902. Britton, W. B. First report of the State entomologist. In Report of the 



Conn. Agr. Expt. Sta. f. 1901, pt. 3, p. 227-278+viii, 11 pi., 2 fig. 

 Pages 238, 276. The pea louse less abundant than in 1899 or 1900. Injuries and remedies. 



1902. Chittenden, F. H. The principal injurious insects in 1901. In U. S. Dept. 

 Agr. Yearbook f. 1901, p. 674-679. 

 Page 675. The destructive pea louse not abundant except in a few isolated localities. 



1902. Fletcher, James. Report of the entomologist and botanist. In Canada 

 Expt. Farms Rpts. f. 1901, p. 197-262+ii, 19 fig., 1 pi. 



Page 212. Nectarophora destructor, which occurred in Canada in injurious numbers in 1S99 

 and 1900, almost entirely disappeared in 1901, one report only of injury being received. 



*1902. Johnson, W. G. Protecting green pea crop from insects. In Amer. Agr., 



v. 69, no. 17, p. 584, April 26. 

 1902. Pettit, Rufus H. Some insects of the year 1901. Mich. State Agr. Col. 

 Expt. Sta., Bui. 200, p. 179-212, 21 fig., May. 



Page 198-200. Reference to injury in the United States and its occurrence in Michigan. 

 Remedies. 



1902. Quaintance, A. L. Injurious insects of the year. In Rpt. Md. Hort. Soc. 

 4th Ann. Sess. held in Baltimore, Dec. 12 and 13, 1901, v. 4, p. 87-104, 

 fig. 8-22. 

 Page 101. Less injury past year by pea louse. Injury most nol iceable to late peas. 



1902a. Sanderson, E. D. Report of the entomologist. In ]3th Ann. Rpt. Del. 

 Agr. Expt. Sta. f. 1901, p. 127-199, fig. 13-33. 

 Page 168. Results of experiments in the control of Nectarophora pisi on peas. 



1902b. Sanderson, E. D. Insects injurious to staple erops. 295 p., 162 fig. New 

 York. 



i 'age L82. Brief account of Nectarophora pisi. 



1902. Smith, J. B. Report of the entomologist. In Ann. Rpt. N. J. Expt. Sta. 

 f . 1901, p. 463-587, 36 fig. 



Page 471. The pea louse was not so injurious as in 1900. Describes in detail a new sprayer 

 adapted especially for this pest and efficacy of various remedies. 



L902. Wkbster, F. M., and Newei.i,, YV. Insects of the year in Ohio. U. S. Dept. 

 Agr., Div. Ent., Bui. 31, n. s., p. 8-1-90. Jan. 

 ■■■>• 87. Note on occurrence of the pea louse in Oh io. 



I'hi:;. < ' 1 1 1 1 i i ■■•«. in;\, F. II. The principal injurious insects in 1902. U. S. Dept. 

 Agr. Yearbook f. 1902. p. 726-733. 

 Page 727. Reported damage by the pea louse negligible. 



