58 MISC. PUBLICATION 198, U.S. DEPT. OF AGRICULTURE 
McCottoca, J. W.—Continued. (724) 
VARIATIONS IN THE LENGTH OF THE FLAXSEED STAGE OF THE HESSIAN FLY. 
Jour. Econ. Ent. 12: 252-255. 1919. 
Relation of knowledge of length of flaxseed stage to control of fly; report 
of studies and experiments to determine,length of various stages, with 
tables. 
(725) 
A METHOD FOR STUDYING THE HESSIAN FLY AND OTHER INSECTS. Ann. Ent. 
Soc. Amer. 14: 227-230, illus. 1921. 
Description of method for conducting life-history studies of fly. 
and Saumon, S. C. (726) 
THE RESISTANCE OF WHEAT TO THE HESSIAN FLY—A PROGRESS REPORT. 
Jour. EHeon. Ent. 16: 293-298. 1923. 
_ Continuation of report on relation of small grains to fly; relative infesta- 
tion of different varieties of wheat; cause of resistance; summary. 
(727) 
HESSIAN FLY IN KANSAS. Kans. Agr. Expt. Sta. Tech. Bull. 11, 96 p., illus. 
1923. 
History and distribution; dispersal; food plants; description and life 
history; natural and artificial control. 
(728) 
THE HESSIAN FLY PROBLEM IN KANSAS. Jour. Econ. Ent. 18: 65-68. 1925. 
Fly only one factor in production of wheat; control by prevention and 
culture. 
HESSIAN FLY. Kans. Agr. Expt. Sta. Bull. 248: 71-72. 1929. 
Popular résumé; time of seeding. 
See also DEAN, G 
McConne.u, W. R. (730) 
SUMMARY OF FACTS ABOUT THE INTRODUCTION OF PLEUROTROPIS EPIGONUS 
WALK. Jour. Econ. Ent. 9: 145-147. 1916. 
Account of introduction into America from England of a chaleid parasite. 
(731) 
NOTES ON THE BIOLOGY OF PARAPHELINUS SPECIOSISSIMUS GIRAULT. Ann. 
Ent. Soc. Amer. 9: 97-102. 1916. 
Dr. Howard’s theory on parasite; distribution; description of stages; life 
history. 
(729) 
(732) 
EUPELMINUS SALTATOR LINDM. AS A PARASITE OF THE HESSIAN FLY. Jour. 
Keon. Ent. 11: 168-175, illus. 1918. 
Quotations from Gahan on determination; distribution; hosts; description 
of stages; number of generations. 
(733) 
RATE OF MULTIPLICATION OF THE HESSIAN FLY. U.S.Dept.Agr.Bull. 1008, 
8 pp., illus. 1921. 
Historical; methods of infestation; average number of ova for the principal 
broods; explanation of tables; conclusions. 
McCoy, J. R. (734) 
NOTES ON THE HESSIAN FLY (MAYETIOLA DESTRUCTOR). Purdue Agr. 14: 
518-521, 542, illus. 1920. 
Distribution; description and where found; life history; control. 
McGratu, R. (735) 
A SMALL FLY DAMAGE. Farmers’ Mail and Breeze 46 (26): 16. 1916. 
Fly present in Johnson County, Kans. 
McKinney, H. H., and Larrimer, W. H. (736) 
SYMPTOMS OF WHEAT ROSETTE COMPARED WITH THOSE PRODUCED BY CERTAIN 
INsEcts. U.S.Dept.Agr.Bull. 1137, 8 pp., illus. 1923. 
Discussion of confusion of injury by fly and other insects with wheat 
rosette. 
