96 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
WHITEHEAD, C., and Gray, C. W. | (1222) 
REPORT ON THE HESSIAN FLY. REPORT OF COMMISSIONERS APPOINTED BY THE 
GOVERNMENT TO INQUIRE INTO THE PRESENT VISITATION OF THE HESSIAN 
FLY ON CORN CROPS IN GREAT BRITAIN. 11 pp. London. 1887. 
Appearance; area of infestation; origin in Great Britain; immunity of 
certain varieties of corn; life history; control; parasites. 
WiancKko, A. T., and FisHer, M. L. (1223) 
WINTER WHEAT. COMBATING THE HESSIAN FLY AND OTHER ENEMIES OF 
GROWING WHEAT. Ind. Agr. Expt. Sta. Bull. 114: 308. 1906. 
Brief discussion of control measures. 
Wicxkson, E. J. (1224) 
HESSIAN FLY AND RESISTANT GRAINS. Calif. Agr. Expt. Sta. Bull. 58, 1 p. 
1886. , 
Brief account of experiments in 1885 with resistant varieties of wheat, and 
time of sowing. 
(1225) 
HESSIAN FLY AND RESISTANT GRAINS. Calif. Agr. Expt. Sta. Bull. 72, 1 p. 
1887. 
Report of second year’s experiment with resistant varieties of wheat; 
effect of time of sowing. 
(1226) 
REPORT ON INSTRUCTION GIVEN IN ECONOMIC ENTOMOLOGY, EXPERIMENTS 
CONDUCTED, ETC.—THE HESSIAN FLY AND RESISTANT GRAINS. Calif. Agr. 
Col. Bd. Regents, Bien. Rpt. Sup. App. 4: 141-148. 1887. 
Experiments to determine resistance of varieties of grain; late and early 
sowing; joint worm. 
(1227) 
HESSIAN FLY. Pacific Rural Press 57 (25): 386. 1889. 
Outbreak and early history in California; control; resistant varieties of 
wheat. 
Witcox, E. V. (1228) 
BURYING THE HESSIAN FLY. Country Gent. 86: 17, 28. 1921. 
Distribution in the United States; control in Kansas; fly-free dates for 
various States; introduction from Europe. 
WILLIAMS, C. G. (1229) 
HESSIAN FLY. Ohio Agr. Expt. Sta. Bull. 362: xxix—xxx. 1922. 
Results of control measures in Ohio; brief report on relation of seeding 
date to average percentage of infestation. 
(1230) 
WHEAT INSECT SURVEY. Ohio Agr. Expt. Sta. Bull. 373: 37-39. 1923. 
Report on control in Ohio, showing decrease in infestation. 
(1231) 
FORTY-FIRST ANNUAL REPORT OF THE OHIO AGRICULTURAL EXPERIMENT 
STATION. 59 pp. 1922. 
Average infestation for 1922 was 177, as compared with 447 in 1920. 
WILLIAMSON, W. (1232) 
_ FALL TREATMENT FOR INSECT PESTS OF FIELD cROoPS. Minn. Insect Life 
[St. Paul] 4 (5): 3. 1917. 
Control by burning stubble after harvest. 
Witson, C. C. See Cartwricut, W. B. 
WILSON, J. P. (1233) 
[AGRICULTURAL REPORT.| Amer. Farmer 6: 83. 1824. 
Fly found in Cumberland County, Va. 
WINDHoRsT, F. (1234) 
HESSIAN FLY CONTROL. Kans. State Bd. Agr. Bien. Rpt. (1925-26) 30: 103. 
1926. 
Control by early plowing and perfectly clean seed bed; seeding September 
8 to 25. 
