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TROPICAL, SUBTROPICAL, AND ORNAMENTAL PLANT INSECTS 
A. C. Baker, in Charge 
Dr. Baker reached Los Angeles on November 24 from Honolulu, where 
he spent the preceding three months reorganizing the field laboratory 
there. After a short stop at the field laboratory at Whittier, Calif., 
Dr. Baker will return to Washington. 
A. C. Mason, of the field laboratory at Honolulu, Hawaii, left 
the Hawaiian Islands on September 17 to spend a few months in the States. 
He stopped at the field laboratory at Lindsay, Calif.. for consultation 
with E. A. McGregor, in charge, on problems relating to citrus thrips. 
He reached Washington on October 31, and has since been preparing manu— 
script on previous work, and consulting with Bureau officials. 
Harold R. Yust has been given a probationary appointment as Sen— 
ior Scientific Aid, with headquarters at Whittier, Calif., to assist 
in carrying out experiments relating to the resistance to hydrocyanic— 
acid gas of scale insects injurious to citrus trees in southern Cali- 
fornia, and similar problems. Mr. Yust comes to us with the degree 
of Master of Science from the North Carolina State College. 
At Exeter, Calif., November 8, E. A. McGregor appeared before 
the fourteenth annual Fig Institute, and spoke on the economic impor— 
tance and control of fig scale and red spider. An effort is to be 
made to publish the proceedings of the Institute. 
STORED—PRODUCT INSECTS 
E. A. Back, in Charge 
Beginning October 30, D. F. Barnes and A. W. Morrill, jr.,accom— 
panied a representative of a prominent dried—fruit interest on a tour 
of inspection of raisin plants at Fowler, Selma, Kingsbury, Dinuba, Par- 
dier, and Del Rey, Calif. The fig moth, Ephestia cautella, has assumed 
a poSition of major importance as a pest of dried fruits in California. 
On November 7 and 8 Perez Simmons, D. F. Barnes, and A. W. Mor-— - 
rill, jr., attended the annual Fig Institute held at Exeter, Tulare 
County, Calif. Mr. Simmons read a paper entitled "Progress report for 
1930 on work with fig insects," and an exhibit prepared at the Dried 
Fruit Insect Laboratory was displayed and attracted much attention. 
On November 5 to 7 W. D. Reed visited tobacco establishments at 
Wilson and Rocky Mount, N. C., and at Richmond and Norfolk, Va. On 
November 12 to 15 Mr. Reed was in Washington, engaged in reference 
work. 
