28 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
Feit, E. P.—Continued. (337) 
OBSERVATIONS ON THE BIOLOGY AND FOOD HABITS OF THE CECIDOMYIIDAR. 
Jour. Econ. Ent. 1: 19. 1908. 
Note on life cycle of fly in relation to food and climate. 
ane (338) 
OBSERVATIONS ON THE IDENTITY OF THE WHEAT MIDGE. Jour. Econ. Ent. 5: 
286. 1912. 
Note on identity of fly. 
(339) 
HESSIAN FLY. N.Y. State Ent. Ann. Rpt. 28 1912: 31-41. 1913. 
Signs of infestation; causes of outbreak; losses in 1912; food plants; 
life history; number of generations; emergence of flies; parasites; pre~ 
ventive and remedial measures. 
(340) 
PHYTOPHAGA DESTRUCTOR SAY, HESSIAN FLY. N.Y. State Mus. Bull. 180: 
212-213, illus. 1916. 
Brief bibliography; descriptions of male and female. 
(341) 
HESSIAN FLY, PHYTOPHAGA DESTRUCTOR SAY. N.Y. State Ent. Ann. Rpt. 35: 
51-54. 1921. 
Note on fly survey, with tables forecasting probabilities of infestation. 
(342) 
KEY TO GALL MIpGEs. N.Y. State Mus. Bull. 257: 3, 4, 7,9. 1925. 
Economic importance; dispersion by wind; estimates of injury. 
(848) 
PHYTOPHAGA DESTRUCTOR SAY. A LIST OF THE INSECTS OF NEW YORK. 
N.Y. (Cornell) Agr. Expt. Sta. Mem. 101: 727. 1928. 
Host plants; distribution. 
(344) 
DISPERSAL OF INSECTS BY AIR CURRENTS. N.Y. State Mus. Bull. 274: 
89-111. 1928. . 
Fly dispersed by wind. 
and BRoMLEy, 8S. W. (345) 
DEVELOPING RESISTANCE OR TOLERANCE TO INSECT ATTACK. Journ. Keon. 
Ent. 24: 437-443. 1931. 
Resistance in relation to vigor of plant. 
Fenton, F. A. See Draxz, C. J. 
FERNALD, H. T. 
SOME INSECTS INJURIOUS IN PENNSYLVANIA. Pa. Dept. Agr. Rpt. 1898 (1): 
374-377, illus. 1899. 
Life history; character of injury; origin and distribution; insect enemies 
and control in Pennsylvania. 
(347) 
REPORT OF ECONOMIC ZOOLOGIST. Pa. Dept. Agr. Bull. 41: 108. 1899. 
Estimate of loss from fly in Pennsylvania in 1899. 
(348) 
SOME INSECTS INJURIOUS TO WHEAT—THE HESSIAN FLY (CECIDOMYIA DE- 
STRUCTOR SAY). Pa. Dept. Agr. Bull. 46: 5-8, illus. 1899. 
Life history; effect on wheat; origin and distribution; parasites; control. 
(349) 
SOME COMMON INSECT PESTS OF THE FARMER. Pa. Dept. Agr. Bull. 99: 7-10, 
illus. 1902. 
Life history; host plants; enemies; control. 
(350) 
APPLIED ENTOMOLOGY. 395 pp., illus. New York and London, McGraw-Hill, 
Inc., 1926. 
General account of fly, pp. 315-317. 
