62 BULLETIN 276 ; U. S. DEPARTMENT OF AGRICULTURE. 



1904. Stene, A. E. When to spray. Formulas and notes on spraying. R. I. Agr. 



Expt. Sta., Bui. 100. p. 121-148, 6 figs. 

 Page 129. Means against green pea louse. 



1905. Chittenden, F. H. The principal injurious insects cf 1904. U. S. Dept. 



Agr. Yearbook f. 1904, p. 600-605. 

 Page 604. Only few complaints of injury by Nectarophora destructor reported from Colorado. 



1905. Felt, E. P. 20th Report of the State Entomologist on injurious and other 

 insects of the State of New York f. 1904. In N. Y. State Mus., Bui. 97, 

 p. 359-597, 24 fig., 19 pi. 



Pages 408, 416. Brief notes on life history, natural enemies, and remedies for Nectarophora 

 pisi. 



1905. Fletcher, James. Insects injurious to grain and fodder crops, root crops, 

 and vegetables. Canada Cent. Expt. Farm, Bui. 52, 48 p., 8 pi. June. 

 Page 27. Brief account of injuries by Nectarophora phi, and remedies. 



1905. Pettit. Bufus H. Insects of the garden. Mich. State Agr. Col. Expt. Sta., 



Dept, Ent., Bui. 233, 77 p.. 65 fig. 

 Page 40. Host plants and remedies for Nectarophora pisi. 



1906. [Bureau of Entomology.] The principal injurious insects of 1905. In 



U. S. Dept. Agr. Yearbook f. 1905. p. 628-636. 

 Page 629. A few reports of injury by Nectarophora destructor. 



1906. Conradi, Albert F. Insects of the garden. Tex. Agr. Expt. Sta., Bui. S9, 

 b'2 p., 44 fig. 



Page 4. Nectarophora destructor apparently widely distributed in Texas. Natural enemies 

 and remedies. 



1906. Fletcher, James. Report of the entomologist and botanist. In Canada 



Expt. Farms Rpts. f. 1905, p. 59-81. 

 Page 67. Refers to extensive destruction of pea crops in Canada in 1899. 



1907. Bethune, C. J. S. Injurious insects of 1906 in Ontario. In 37th Ann. Rpt 



Ent, Soc. Ontario f. 1906, p. 45-56, fig. 3-17. 

 Page 49. Reports occurrence of plant lice on sweet peas. 



1907. Hitchings, E. F. Second Ann. Rpt. of the State Entomologist of Maine f. 



1906, 77 p., 19 fig., 1 1)1. 



Page 4. Nectarophora pisi reported from several localities in Maine. 



1908. [Bureau of Entomology.] Principal injurious insects of the year 1907 



U. S. Dept, Agr. Yearbook f. 1907, p. 541-552. 



Page 544. Macrosiphum pisi reported rather more abundant than usual. Louisiana re- 

 ported as a new habitat. 



1908. Cesar, L. The annual meeting of the entomological society of Ontario. 

 In Jour. Econ. Ent,, v. 1, no. 6, p. 397-^01, December. 



Page 399. Serious damage to the late peas by the pea aphis was reported. Aphis fungus 

 effective in some localities. 



1908. Gossard, II. A. Spring practice in economic zoology. OhioAgr. Expt. Sta., 

 Bui. 198, p. 15-88+viii. 9 pi., November. 

 Page 86. Brief description of Nectarophora destructor, its injury to peas, and reme 



1908. Newell, Wilmon, and Rosenfeld, Arthur II. A brief summary of the 



more important injurious insects of Louisiana. In Jour. Econ. Ent.. v. 1. 

 no. 2. p. 150-155, April. 

 Page l.Vi. Reports injury l<> cow peas l>y Nectarophora pisi. 



