— — 
AN ANNOTATED BIBLIOGRAPHY OF THE HESSIAN FLY 97 
Wistar, C. See JEFFERSON, THOs., et al. 
Wore, T. K. See Evert, W. B. 
Woop, D. J. (12385) 
HESSIAN FLY. Nebr. Farmer 37 (31): 786. 1905. 
Reports on injury; successful control by use of various seeding dates. 
Woopsury, C. G. (1236) 
HESSIAN FLY. Ann. Rpt. 32 Ind. Agr. Expt. Sta.: 34. 1919. 
Report on season’s work and general condition. 
Woops, W. (1237) 
PROSPECT OF cROPS. Amer. Farmer 9: 83. 1827. 
Occurrence in Albemarle County, Va. 
WoopwortH, C. W. (1238) 
VARIATION IN HESSIAN FLY INJURY. Calif. Agr. Expt. Sta. Rpt. 1890: 
312-318. 1891. 
Observations during 1886-91; table showing injury to wheat; resistant 
varieties of wheat; early and late varieties of wheat; date of planting. 
(1239) 
A SYNOPSIS OF THE FAMILIES OF INSECTS. Calif Agr. Expt. Sta. Rpt. 1891-92: 
306. 1892. 
Brief mention in synopsis; character of injury indicated. 
WorsuaM, EH. L., and Lewis, A. C. (1240) 
HESSIAN FLY IN GEORGIA. Ga. State Bd. Ent. Circ. 7, 8 pp., illus. 1908. 
Early history and distribution; description of different stages; effect of 
cold; life history in Georgia; remedies. 
: (1241) 
INSECTS OF THE YEAR IN GEORGIA. Jour. Econ. Ent. 2: 208-209. 1909. 
Brief note on fly. 
WortTH, J. (1242) 
ON THE HESSIAN-FLY, AND ON THE PROPER DEPTH OF SOWING WHEAT. Amer. 
Farmer 2: 180-181. 1820. 
Report of observations on fly; history of insect and its larvae; control. 
(1248) 
ON THE HESSIAN FLY. Amer. Farmer 3: 187-190. 1821. 
General popular account; early history in America; seasonal history in 
1820 in Bucks County, Pa.; discussion of cultural conditions. 
(1244) 
ON THE HESSIAN FLY AND PROPER COURSE OF CROPS. Amer. Farmer 3: 
2138-214. 1821. 
Observations supplementary to previous article on life history and habits 
in relation to cultural conditions in Bucks County, Pa.; discussion of various 
rotations. 
(1245) 
HESSIAN FLY—DISEASES OF WHEAT, ETc. Amer. Farmer 4: 394. 1823. 
Letter to editor discussing previous fly correspondence. 
(1246) 
OBSERVATIONS ON INSECTS. Amer. Farmer 4: 395. 1823. 
Calculation on increase of fly. 
(1247) 
ON THE FAILURE OF WHEAT CROPS, AND THE INSECT BY WHICH THEY ARE 
ASSAILED. Mem. Pa. Agr. Soc. 1823: 165-174. 1823. 
Control; description. 
(1248) 
HESSIAN FLY. [LETTER TO R. VAUX, SECRETARY TO PHILADELPHIA SOCIETY 
FOR PROMOTION OF AGRICULTURE.] Farmers’ Cabinet 2: 42-43. 1837. 
Life history; control. 
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