42 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
Haseman, L.—Continued. 9 
HESSIAN FLY THREATENS WHEAT CROP. Mo. Farmer 21 (18): 352. 1929. 
General discussion; life habits of fly; control. 
THE HESSIAN FLY LARVA AND ITS METHOD OF TAKING FOOD. Jour. foe Gee 
23: 316-321, illus. 1930. 
Discussion in some detail of morphology and physiology of fly larva, 
particularly head and mouth, esophagus, salivary glands, proventriculus, 
Malpighian vessels, ileum, and colon. 
(524 
REPORT OF WORK IN ENTOMOLOGY AT THE MISSOURI STATION. Mo. hee 
Expt. Sta. Bull. 300: 68-71. 1981. 
Study continued of fly-resistant qualities of wheat. 
525) 
ANATOMY OF THE HESSIAN FLY LARVA. Jour. Econ. Ent. 24: 417-419. 1981. 
General anatomy of full-grown larva. 
(526) 
HESSIAN FLY RESISTANT VARIETIES OF WHEAT. Mo. Agr. Expt. Sta. Bull. 
328: 129. 1933. 
Brief résumé. 
Hatcn, H. (527) 
JAYHAWKER’S FARM NEWS. Farmer’s Mail and Breeze 49 (41): 13. 1919. 
Discussion of late sowing vs. fly. 
(528) 
FED FLY FOUR YEARS. Kans. Farmer 62 (45): 24. 1924. 
Control experiments by a farmer near Neosho Rapids, Kans. 
(529) 
"RAS WITH HESSIAN FLY. Kans. Farmer 63 (47): 10. 1925. 
Probably little injury by fly in Coffey County, Kans. 
Havens, J. N. (530) 
OBSERVATIONS ON THE HESSIAN FLY. N.Y.Soc.Prom.Agr., Arts and Manfrs. 
Trans. 1: 89-107. 1792. 
Observations on origin, ravages, life history, and remedies. 
(531) 
OBSERVATIONS ON THE HESSIAN FLY. N.Y.Soc.Prom.Agr., Arts and Manfrs. 
Trans. (Ed. 2, rev.) 1: 71-86. 1801. 
First occurrence on Long Island; early theory regarding fly-proof varieties 
of wheat; two generations; feeding habits of ‘‘maggot’’; control measures. 
Hayuurst, P. (532) 
QUACK GRASS (AGROPYRON), A HOST OF THE HESSIAN FLY. Jour. Econ. Ent. 
2: 231-234. 1909. 
Fly found on quack grass in Massachusetts, experiment in collecting speci- 
mens and placing them on wheat; fly bred in grass in Kansas; summary of 
observations by others on fly in native grasses. 
HEADLER, T. J. (533) 
REPORT OF THE ENTOMOLOGIST. Kans. Agr. Expt. Sta. Ann. Rpt. 21: 
xlvii-—xlvili. 1908. 
Brief account of infestation. 
(534) 
HESSIAN FLIES. Kans. Farmer 46: 554. 1908. 
‘ Stages of development; parasites; control. 
35) 
(5 
HESSIAN FLY. Kans. Agr. Expt. Sta. Press Bulli. 168, 2 pp. 1908. (Also in 
Kans. Farmer 46: 775, 778. 1908.) 
Habits and life history; natural enemies; control. 
