CEREAL AND FORAGE INSECT INVESTIGATIONS 
W. H. Larrimer, Senior Entomologist, in Charge 
A corn borer conference was held at Chicago on January 21 and 22, | 
to standardize recommendations for the proper use of existing plow equip- 
ment, and accessories thereof, to meet the requirements of the corn borer 
Clean-up campaign this spring. The conference was attended by experts of 
the large manufacturers of farm machinery. Representatives were also pres- 
ent from the Agricultural Engineering Departments of Michigan, Indiana, Ohio, 
and Pennsylvania.. Prof, A..L. Wiancko, of the Agronomy Department of Pur- 
due University, and Mr. Smith, President of the County Agents! Association, 
attended. The Bureau was represented by L. H. Worthley and D. J. Caffrey. 
Prof. C. 0. Reed, of the Be ane a Engineering hoelsorigcst of Ont s State 
Were geek bya prea tere 
pr. Philip Luginbill, of the Monroe, Mich., corn borer laboratory, 
and D. §. Lacroix, of the Sandusky, Ohio, corn borer laboratory, were at 
Toledo, Ohio, on January 24, for consultation with D. J. Caffrey relative to 
winter phases of the investigational work. 
For the period ending January 21, 1927, the shipments of corn borer 
parasite material from Europe included a total of 84,000 cocoons of Micro- 
gaster tibialis Nees, 12,500 cocoons of Eulimneria crassifemur Thom,, |) and: 
645,000 host larvae, from which five additional species will be reared. 
These shipments will be continued and supplemented by laboratory rearings. 
Preliminary shipments of. parasite material from India and from Japan have 
also. been received ae cae ‘the sheila cans of the’ ‘Japanese beetle investiga- 
tors. 
J. W. Ingram, in charge of the Laboratory at Crowley, La., was re- 
cently in New Orleans’ for conference with T. EB. “Holloway and W. E. Haley. 
On January 19 about 1,500 persons attended the special session on 
the European corn borer, hela in connection with'Farmers! Week, at the | 
Auditorium of the College of Agriculture, University of Illinois, at: : 
Urbana. Addresses on the corn borer’ were given by D. J. Caffrey, of the 
Bureau, R. M. Salter, of the Ohio Agricultural Experiment Station, R. I. 
Shawl, of: the University,’ and Theo, Brown. . The new moving picture. films 
of the corn borer were shown, and a special corn borer exhibit was also © 
displayed. Dr. S. A. Forbes presided at the session. 
C. H. Gable, formerly in charge of the san Antonio, Tex. ; laboratory, 
resigned from the Bureau, effective December salt 1926, to enter commercial. 
work. 
E. V. Walter, formerly of the eis ee : laboratory, has accepted 
vi leadership of the San Antonio, Tex., laboratory; following the recent 
esignation of Mr. Gable. en 
