ae 2 
E. A. McGregor has addressed farm bureau center meetings in central 
California, speaking on the subject of citrus—thrips control., at Visa- 
lia on February 25, Orange Cove, March 8, and Lindsay, March 19. 
On March 20 E. A. McGregor attended the quarterly meeting of the 
State-wide fig clean-up committee of which he is now a member, and read 
@ report on the life history and biology of the Mediterranean fig scale. 

TRUCK-CROP INSECT INVESTIGATIONS 
J. E. Graf, in Charge 
R. W. Harned, State Entomologist of Mississippi, visited the field 
laboratory at Biloxi, Miss., on March 2, and discussed certain phases 
of the work on the sweet potato weevil being conducted jointly by the 
Bureau of Entomology and the Mississippi State Plant Board. 
Dr. L. 0. Howard visited the field laboratory at Alhambra, Calif., 
on March 12 to 14. 
M. D. Leonard, of the Tobacco By~Products and Chemical Co., was a 
visitor at the field laboratory at Alhambra, Calif., on March 19. 
N. F. Howard, Columbus, Ohio, spent March 18 and 19 in Washington, 
discussing certain phases of the situation regarding the Mexican bean 
beetle. 
R. E. Campbell made a trip to Arizona during the latter part of 
March, visiting the field laboratory at Tempe and consulting with Dr. 
E. D. Ball at the University of Arizona. 
D. E. Fox has been transferred from Twin Falls, Idaho, to Rich- 
field, Utah, where he will assist BE. W. Davis in investigations on the 
Ssugar—beet leafhopper. 
J. G. Elmore returned to Garden Grove, Calif., March 3l, from his 
visit to Washington. He also stopped off at the field laboratory at 
Twin Falls, Idaho. 
Temporary appointments as field assistants have been given H. L. 
Dees, assigned to duty at Picayune, Miss., J. A. Milbrath and J. F. 
Bock, assigned to duty at Walla Walla, Wash., D. N. Eagle, at Toppen- 
ish, Wash., and B. J. Landis, at Columbus, Ohio. H. @. Mason has been 
appointed agent, and assigned to duty at Columbus, Ohio. 
