92 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
Wesster, F. M.—Continued. (1171) 
tt 
THE LAISSER-FAIRE, OR LET-ALONE POLICY AS APPLIED TO THE CONTROL OF 
INSECT PESTS. Ohio State Hort. Soc. Ann. Rpt. 33: 73. 1899. 
(1172) 
REPORT OF COMMITTEE ON ENTOMOLOGY—[HESSIAN FLY]. Ohio State Hort. 
Soc. Ann. Rpt. 33: 107. 1899. 
Notice of abundance; statement, on authority of Fletcher, that ffy is 
single-brooded in Manitoba. 
(1178) 
HESSIAN FLY, CECIDOMYIA DESTRUCTOR SAY. Ohio Agr. Expt. Sta. Bull. 107, 
pp. 257-288, illus. 1899. 
Description; history; number of broods; experiments and observations in 
Indiana and Ohio; oviposition; effect of weather on development of fall 
brood; preventive measures; control; parasites. 
(1174) 
FALL TREATMENT OF WHEAT FIELDS WHERE CROP HAS BEEN DESTROYED BY 
HESSIAN FLY. Ohio Agr. Expt. Sta. Press Bull. 200: 1-2. 1899. 
Suggestions for fall treatment of infested fields. 
Matty, C. W., and NEWELL, W. (1175) 
INSECTS OF THE YEAR IN OHIO. U.S.Dept.Agr., Bur. Ent. Bull. (n.s) 20: 
68-73, 1899; 26: 84-90, 1900; 31: 84-90, 1902. 
Fly abundant in early sown fields; possible spring migration of females 
from early to late sown fields, Bull. 20, p. 69; fly injury in Ohio in 1900; 
losses computed in bushels and dollars, Bull. 26, p. 84; situation in 1900-1901, 
including parasites, Bull. 31, p. 85. 
(1176) 
SOME INSECT NOTES. Ent. News 11 (4): 488-439. 1900. 
Notes on injury by fly. 
(1177) 
METEOROLOGICAL INFLUENCES ON THE DEVELOPMENT OF THE HESSIAN FLY. 
Prom. Agr. Sci. Proc. 21, 6 pp., illus. 1900. 
Popular discussion of relation of development to weather conditions in 
various localities with particular reference to conditions in different sections 
of Ohio; map showing sowing dates. 
(1178) 
HESSIAN FLY IN OHIO IN 1899 anp 1900. Ohio Agr. Expt. Sta. Bull. 119, 
pp. 239-247, illus. 1900. 
Causes of present attack; magnitude of destruction; weather conditions 
leading to attack; practical control measures. 
(1179) 
INQUIRIES ANSWERED. [HESSIAN FLY IN THE SPRING.] Ohio Farmer 97 (8): 
174. 1900. 
Reply to correspondent in Jay County, Indiana, giving detailed life history 
and habits of fly in spring. 
(1180) 
HESSIAN FLY IN NORTHEASTERN OHIO. Ohio Farmer 97 (20): 488. 1900. 
Specific recommendations from Trumbull County, Ohio, to defer sowing 
until after middle of September; comments on article in recent issue of paper 
on spring work and spring problems, and discusses the relation of these to 
fly control; dates of seeding and precipitation. 
(1181) 
FROM QUERIES REGARDING WHEAT INSECTS. Ohio Farmer 98 (19): 3465. 
1900. 
General discussion of the difficulty experienced by the farmer in identifying 
fly. 
(1182) 
SPRING TREATMENT OF FIELDS WHERE WHEAT HAS BEEN DESTROYED BY THE 
HESSIAN FLY. Ohio Agr. Expt. Sta. Press Bull. 207: 1-2. 1900. 
Suggestions for spring treatment of infested fields. 
