AN ANNOTATED BIBLIOGRAPHY OF THE HESSIAN FLY 41 
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Note on experiments on resistance of various strains of wheat to attack by 
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'z ANNUAL CYCLE OF THE HESSIAN FLY IN MISSOURI AND ITS CONTROL. Mo. 
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Brief discussion of results of experimental plots. 
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INSECT PESTS OF WHEAT. Mo. Agr. Expt. Sta. Bull. 170: 17-25, illus. 1920. 
Description; life history; injury; control. 
| (512) 
HESSIAN FLY AND ITS CONTROL. Mo. Agr. Ext. Cire. 80, 4 pp., illus. 1920. 
Appearance in Missouri; map of fly-free dates; brief description; number 
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Résumé; fall conditions in central Missouri. 
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Report of experiments conducted at different points in Missouri. 
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AN INVESTIGATION OF THE HESSIAN FLY RESISTANT QUALITIES OF DIFFERENT 
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Percentage of yield of fiy-infested varieties of wheat; table of relative 
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HESSIAN FLY RESISTANT QUALITIES OF DIFFERENT VARIETIES OF WHEAT. Mo. 
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Note on sowing of wheat for experimental purposes. 
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TO DETERMINE ACCURATELY THE LIFE CYCLE OF THE HESSIAN FLY IN MISSOURI 
| AND THE MOST EFFECTIVE METHODS OF CONTROLLING. Mo. Agr. Expt. Sta. 
| Bull. 197: 65. 1922. 
Report of experiments made at different points in Missouri, with record 
on yields from experimental plots. 
| Suturvan, K. C., and McBring, O. C. (519) 
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Decline of injury by fly. 
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