
-7- 
CEREAL AND FORAGE INSECT INVESTIGATIONS 
W. H. Larrimer, Entomologist, in Charge 
. The following members of the Cereal and Forage staff attended the 
- meeting of the North-Central States Entomologists held at Urbana on Mareh 4 
ey: W.H. Larriméer; fic ‘B. Cartwright, Ww. B. Nodle, J. R. Horton, A. F. 
satterthwait, C. N. Ainslie, and L. H. Worthley. 
Be Js Catfrey and L. H. Worthley, in charge of corn borer investiga- 
tions, came to Washington March. 2+ for conference. 
W. A. Baker, of the Dallas, Tex., substation, recently made a survey 
of the grain areas of Cooke, Collin, Grayson, and Denton Counties, Tex., in 
connection with his green bug investigations. . . 
C. M. Packard, of the Sacramento, Calif., laboratory, in company with 
Roy Campbell, visited the Antelope Valley in the last week of February, to 
inspect the turning operations with aphids which are being conducted there. 
On March 11 Dr. R. J. Tillyard, of the Cawthorn Institute of Scientif- 
ic Research, New Zealand, and Mrs. Tillyard, called at the Forest Grove, Oreg., 
laboratory, accompanied by Commissioner H. C. Atwell, of the Oregon State 
Board of Horticulture. On the evening of March 12 Mr. Atwell entertained Dr. 
and Mrs. Tillyard at dinner at the Congress Hotel, Portland. Other guests 
were Prof. Don C. Mote, of the Oregon Agricultural College, Howard C. Stearns, 
who has been working on the tachinid parasites of the European earwig for 
the Oregon State Board of Horticulture, and L. P. Rockwood, of the Bureau of 
Entomology. Methods of handling the imported tachinid parasites of the ear- 
wig were discussed ard Dr. Tillyard displayed some fine specimens of fossil 
insects. 
Ha.G. Crawford, of the Canadian Entomological Branch, visited the . 
Arlington, Mass., laboratory on March 6 for a conference regarding cooperative 
work on the European corn borer during the coming season. 
L. H. Patch, of the Sandusky, Ohio, laboratory, visited Arlington on 
March 18 and 19 to obtain instructions relative to research activities at the 
Sandusky Laboratory during the.coming season. 
Preliminary arrangements have been completed between Michigan State 
College and the Bureau for the establishment of a cooperative laboratory in 
southeastern Michigan to study the various entomological and agronomic prob- 
lems involving the European corn borer in that area. In the week of March 
9 a preliminary meeting to discuss plans was held at Monroe by Professors 
R. H. Pettit and J. F. Cox, of the Michigan State College, and Doctor 
Luginbill and D. J. Caffrey of the Bureav, - : 
ee Babcock sailed for Eurove March 2+ to continue his investigations 
on the European corn borer under Hurovean conditions and to assist in the 
collection of parasitic material. During the coming season this work will be 
greatly extended to include portions of the known infested area in Hurope 
which have not been studied extensively heretofore. 
