i Le aM ee ee =e ee eS ee i ee 
66 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
O’Brien, H. R. (827) 
OUTGUESSING THE HESSIAN FLY. Country Gent. 85: 22, illus. 1920. 
Brief general account; remedial measures, with fly-free dates for various 
States. 
(828) 
OUTGUESSING THE HESSIAN FLY. Country Gent. 87: 6,24. 1922. 
Control in Ohio by safe sowing dates. 
Onto FarM BUREAU. (829) 
GET BEHIND YOUR HESSIAN FLY CAMPAIGN. Ohio Farm Bur. Monthly 6 (2): 
2; 1920: 
Editorial recommending observance of fly-free planting. 
Ouro StatE BoaRD OF AGRICULTURE. (830) 
[HESSIAN FLY.] Ohio Ann. Rpt. Bd. Agr. (1861) 16: 119. 1862. 
Injury by fly in Knox County, Ohio, in 1861. 
(831) 
HESSIAN FLY. Ann. Rpt. Ohio Bd. Agr. (1878) 36: 229. 1879. 
Injury by fly in Seneca County, Ohio, in 1878. 
O’Kane, W. C. (832) 
HESSIAN FLY (MAYETIOLA DESTRUCTOR SAY). Jn Injurious Insects, pp. 
139-140, illus. 1916. 
Brief account. 
ORMEROD, E. A. (833) 
THE HESSIAN FLY (CECIDOMYIA DESTRUCTOR) IN GREAT BRITAIN: BEING 
OBSERVATIONS AND ILLUSTRATIONS FROM LIFE WITH MEANS OF’ PREVENTION 
AND REMEDY, FROM REPORTS OF DEPARTMENT OF AGRICULTURE, U.S.A. 
24 pp., illus. [London] 1886. 
Karly history; extent of injury; appearance of attacked crops; descrip- 
tion of stages; origin; control. 
(834) 
HESSIAN FLY IN BRITAIN: LIFE HISTORY. Entomologist 20: 9-13, illus. 1887. 
General account; personal observations. 
. (835) 
HESSIAN FLY. Entomologist 20: 262-264. 1887. 
Distribution in England; climatic effects on insect. 
(836) 
PARASITES OF THE HESSIAN FLY. Entomologist 20: 317-318. 1887. 
Reports presence in England of the following fly parasites: Semiotellus 
nigripes Lind.; Tetrastichus rileyz Lind.; Merisus intermedius Lind., var. 
micropterus; Platygaster minutus Lind.; Merisus destructor Say. 
(837) 
THE HESSIAN FLY, CECIDOMYIA DESTRUCTOR, IN GREAT BRITAIN IN 1887. 
56 pp. London. 1887. 
Reports of British observations with illustrations from life and some means 
of prevention and remedy. 
(838) 
CECIDOMYIA DESTRUCTOR SAY IN GREAT BRITAIN. Ent. Soc. London, Trans. 
1887: 1-6, illus. 
Résumé of subject. 
(839) 
HESSIAN FLY. REPORTS ON INSECTS INJURIOUS TO WHEAT PLANTS IN NEW 
ZEALAND. (LettertoSir. F. D. Bell.) 4pp.,illus. Apr. 11, 1888. 
Control; parasites; crops attacked; ‘‘resistant’’ wheat; straw as means of 
transportation; description of various stages. 
(840) 
HESSIAN FLY IN NEW ZEALAND. Letter to Sir. F. D. Bell. 1p. May 9, 1888. 
Letter regarding status with brief discussion of control. 
