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TRUCK-CROP INSECT INVESTIGATIONS 
J. E. Graf, Entomologist, in Charge 
S H. Blake, of the Washington office, has returned to 
t xtended European trip, a large portion of which was devoted 
to the comparison of entomological specimens in the various European 
Museums. Upon her return to this country she visited the Museum at 
Cambridge, Mass., Where additional work was undertaken. 
J. E. Graf recently returned from a short trip to Florida. At 
Gainesville he conferred with Dr. Newell and other officials of the State 
Plant Board. At Sanford he met Dr. Ball, Dr. Lathrop, Mr. Foster, Mr. 
Boyden, and others interested in the control of the celery leaf tyer, and 
Plans were discussed for the control of this injurious insect and serious 
menace to the celery industry in Florida. He also conferred with Mr. 
Boyden regarding the work in Florida for the eradication of the sweet— 
potato weevil. 
F. H. Lathrop, entomologist, of Deciduous Fruit Insect Investigations, 
who is working in Meine on the blueberry maggot, has teen temporarily 
assigned by Dr. Quaintance to duties at Sanford, Fla. Besides work on 
fruit flies, ‘he will conduct research investigations. on the celery leat 
tyer, in cooperation with Dr. Ball and others. 
Plans are now under way for the transfer of the main Mexican bean 
beetle laboratory from Birmingham, Ala., to Columbus, Ohio. N. F. Howard, 
inteharse) will be located at the Ohio State University. 
K. L. Cockerham, Biloxi, Miss., attended a meeting of the Alabama 
State Board of Agriculture, at Montgomery, orn November 5. New regulations, 
and other matters pertaining to the lecal campaign against the sweet— 
potato weevil, were discussed. Besides the regular members of the Board, 
representatives of farmers! organizations and of the Louisville & Nashville 
Railroad were present. 
The present situation concerning the sweet-potato weevil in Pearl 
River and Hancock Counties, Miss., is exceptionally good. Heavy frosts have 
occurred; harvesting is under way and will be completed in about two weeks. 
The wield of sweet potatoes is good. 
K. L. Cockerham, Biloxi, Miss., recently visited the Mississippi 
A. &M. College, where he conferred with officials of the State Plant Board 
regarding field work for the fall and winter months. ; 
T. C. Johnson, Director of the Virginia Truck Experiment Stationy 
Norfolk, recently visited this office and aa ne ed. Be spective measures 
for oreventing the spread of the potato tuder-mo th cn the Hastern Shore 
of Virginia. 
E. G. Smyth, a former employee of this office, now engaged in work 
on parasites of the Mexican bean beetie, was a recent Visitor to Washington. 



