60 BULLETIN 276; U. S. DEPARTMENT OF AGEICULTUKE. 
1901b. Sanderson, E. D. Danger from green pea-louse. In Rural New-Yorker, 
V. 60, no. 2692, p. 268, April 13. 
Reply to con-espondent 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 12tlL Ann. Kpt. 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 N-ew 
Yorker, v. 60, no. 2685, p. 481-^82, 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 pL, 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. Jn 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 1899 
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 noticeable to late peas. 
1902a. Sanderson, E. D. Report of the entomologist. In 13th 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 crops. 295 p., 162 fig. New 
York. 
Page 182. 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. 
1902. Webster, F. M.,and Newell, W. Insects of the year in Ohio. U. S. Dept. 
Agi'., Div. Ent., Bui. 31, n. s., p. 84-90, Jan. 
Page 87. Note on occurrence of the pea louse in Ohio. 
1903. Chittenden, F. H. 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. 
