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STORED PRODUCT INSECT INVESTIGATIONS 
H. A. Back, Entomologist, in Charge 
’ 
A. 0. Larson writes under date of Auzust 13 that he had just returned 
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from a Fathers' and Sons! outing at Big Bear Lake, Calif. By invitation he 
gave at the community camp fire a talk on insects, taking as his subject 
"Undesirable immigrants.!! 
J. C. Hamlin spent the month of July visiting the principal dried- 
fruit sections of Wasnington, Oregon, and California. As a result he has 
chosen Fresno, Calif., as the most suitable place for starting the Bureau's 
investigation of insects attacking dried fruits. 
Curtis Benton, a 1920 graduate of the University of Illinois, was ap- 
pointed Junior Entomologist July 25. After a summer's field experience at 
Riverton, N. J., as field assistant in the green Japanese beetle work, he was 
in September, 1920, appointed plent quarantine inspector, Port Inspection 
service, Federal Horticultural Board. He was assigned to the Port of New 
Orleans, and was temporarily in charge of the office during his last year of 
service. lir. Benton resigned in September, 1922, to take graduate work at 
the University of Illinois, and received his master's degree in June, 1924. 
During the months of June to August, 1923, under the direction of Professor 
J. J. Davis, of Purdue, he conducted experiments with calcium cyanid for the 
American Cyanamid Company. Mr. Benton left Washington Avgust 7. to assist 
J. ©. Hamlin, at Fresno, Calif., in the driec-fruit insect investigations. 
On August <O Dr. HE. A. Back was cailed to Philadelphia to advise re- 
gerding an outbreak of the webbing clothes moths, Tinecla biselliella, in one 
of the largest yarn manufacturing plants in the east. 
Dr. E. A. Back visited Wilmington, Del., August 29 to advise regarding 
an outbreak of the hide beetle, Dermestes vulpinus, which was threatening 
about half a million dollars' worth of raw Asiatic and Huropean skins and 
finished leather. 
TRUCK-CROP INSECT INVESTIGATIONS 
J. HE. Gref, Entomologist, in Charge 
J. E. Graf recently visited the truck-crop and Japanese beetle labora- 
tories at Riverton, N. J., and conferred with Bureau. officials there. Plans 
were made with D. HE. Fink regarding his future work on truck-crop insects. 
N. F. Howard, entomologist in charge of the Mexican bean beetle investi- 
gations, Birmingham, Ala., visited Columbus, Ohio, for the purpose of confer- 
ring with Dr. D. M. Delong, in charge of the temporary substation at Columbus, 
regarding the northern spread of the Mexican bean beetle. | 
