THE WESTERN CABBAGE FLEA-BEETLE. 21 
LITERATURE CITED. 
(1) Riley, C. V. 
1884. report op the entomologist. In Rept. U. S. Dept. Agr. 1884, p. 
285-418, 10 pi. 
(2) COCKERELL, T. D. A. 
1889. injurious insects of custer county. In Fifth Rept. Colo. Biol. 
Ass., Jan. 9. 
(3) Horn, George H. 
1889. a synopsis of the halticini of boreal America. In Trans. Am. 
Ent. Soc, v. 16, p. 163-320, 7 pi. 
(4) Howard, L. 0. 
1898. INJURY BY THE WESTERN FLEA-BETTLE, PHYLLOTRETA PUSILLA HORN. 
In U. S. Dept. Agr. Div. Ent. Bui. 10 (n. s.), p. 92-93. 
(5) Forbes, S. A., and Hart, C. A. 
1900. the economic entomology of the sugar beet. Univ. 111. Agr. 
Exp. Sta. Bui. 60, p. 397-532. 11 pi., 97 figs. 
(6) Chittenden, F. H. 
1903. A BRIEF ACCOUNT OF THE PRINCIPAL INSECT ENEMIES OF THE SUGAR 
beet. U. S. Dept. Agr. Div. Ent. Bui. 43. 71 p., 65 figs. 
(7) Cooley, R. A. 
1906. biological department. In 12th Ann. Rept. Mont. Agr. Coll., 1905, 
p. 255-273. 
(8) [Chittenden, F. H.] 
1909. insects injurious to truck crops. In U. S. Dept. Agr. Ybk. 1908, p. 
570-574. 
(9) Lefroy, H. M. 
1914. CONTRIBUTIONS FROM THE WISLEY LABORATORY. XXIII. — A TRAP 
for turnlp-fly. In Journ. Roy. Hort. Soc Engl, v. 40, pt. 2, p. 
269-271. 
ADDITIONAL COPIES 
OF THIS PUBLICATION MAY BE PROCURED FROM 
THE SUPERINTENDENT OF DOCUMENTS 
GOVERNMENT PRINTING OFFICE 
WASHINGTON, D. C. 
AT 
5 CENTS PER COPY 
V 
