—— 
ee 
18 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
Cocke, J. H.—Continued. (207) 
WHITE FLINT WHEAT. Amer. Farmer 7: 109. 1825. 
A report that white flint wheat withstands attacks of fly. 
Couez, W. H. (208) 
KAFIR SEED WAS SELECTED. Farmers’ Mail and Breeze 47 (48): 18. 1917. 
Recommends late sowing of wheat to avoid injury by fly. 
(209) 
FIGHTING THE HESSIAN FLY. Farmers’ Mailand Breeze 48 (52): 3. 1918. 
Value of late sowing to avoid fly injury. . 
Comstock, J. H. (210) 
HESSIAN FLY, PHYTOPHAGA DESTRUCTOR. Jn Introduction to Entomology, 
818-819, illus. Ithaca N.Y. 1924. ; 
Brief general account. 
Conrapi, A. F. See Barre, H. W. 
Cook, A. J. (211) 
HESSIAN FLY. Lecture delivered at Farmers’ Inst., Paw Paw and Climax, 
Mich., 14pp.,illus. 1878. 
Origin of name; migration; bibliography; classification; description of 
stages; habits; control; parasites. 
Cook, W. C. (212) 
A BIOCLIMATIC ZONATION FOR STUDYING THE ECONOMICAL DISTRIBUTION OF 
INJURIOUS INSECTS. Ecology 10: 283-291. 1929. 
Fly injury in Montana in relation to variations in temperature, 291. 
Coo.uey, R. A. (213) 
HESSIAN FLY. Mont. Agr. Expt. Sta. Bull. 170: 21,25. 1925. 
Fly reported 30 percent injurious in eastern Montana; discussion of damage 
elsewhere; list of infested counties. 
(214) 
MONTANA INSECT PESTS FOR 1929 AND 1930. Mont. Agr. Expt. Sta. Bull. 
238: 22. 1930. 
Correspondence regarding fly at Baker, August 6, 1930. 
Cooper, E. (215) 
INSECTS AND INSECTICIDES—HESSIAN FLY (CECIDOMYIA DESTRUCTOR). Calif. 
State Hort. Comn. Fungi and Insects 1905: 20-21. 
Life history. 
Cooper, J. (216) 
LETTER FROM MR. JOSEPH COOPER TO WILLIAM RUSSELL, ESQ., ON THE HESSIAN 
FLY AND THE EARLY WHITE WHEAT. Mass. Soc. Prom. Agr. Papers on Agr. 
1799: 26-28. 
Discusses first appearance at Coopers Point; notes on habits, life history, 
and control. 
CoQuILLETT, D. W. (217) 
[HESSIAN FLY.] Ill. State Ent. Ann. Rpt. 11:7. 1882. 
Note on scarcity of fly. 
[CoRDELL, H. B.] (218) 
HESSIAN FLY A MENACE TO OKLAHOMA 1930 WHEAT CROP. Northwestern 
Miller and Amer. Baker. 6 (12): 1097. 1929. 
Interview discussing Oklahoma conditions in 1929. 
Corb ey, A. B. 
HESSIAN FLY. Oreg. Agr. and Rural Northwest 7 (8): 118. 1898. 
_ Editorial reply to inquiry with notes on injury; estimates of damage; 
life-history data; control. 
(220) 
REPORT OF THE ENTOMOLOGIST. Oreg. Agr. Expt. Sta. Ann. Rpt. 1900: 
24-27. 1900. 
Report of occurrence in Oregon and Washington. 
