aN, te 
one at present offering the public.the new fumigant, ethyl acetate- 
carbon tetrachloride mixture. Dr. Cotton has reported that the grain 
interests appear to be very well satisfied. with the results of the .. 
demonstrations already conducted so far as they concern toxicity to. 
insects, but criticize the odor left on the grain. 
C. K. Fisher, of the Alhambra, Calif., Laboratory, is making 
arrangements to go to Riverside to take eraduate work in the University 
of California. ee rr ia aS ee cS 

"FRUIT INSECT INVESTIGATIONS 
A. L. Quaintance, Senior Entomologist, in Charge 
as Swingle, a gradiate’ of the Ohio. State University, has been 
appointed Junior Entomologist and assigned. to duty at .Fort Valley, Ga., 
in connection with peach insect investigations. 
Oliver I. Snapp, in chateé of peach insect investigations at 
Fort Valley, Ga., reports that the first airplane dusting of a commercial 
peach orchard for the control of an insect ‘pest took place at Montezuma, 
Ga., March 23, 1925, when, in one ‘hour and fifty-five minutes, 10,000 
peach trees were dusted with a mixture of arsenate of lead and hydrated 
lime. The recorded time inc¢luded that. oe in making trips to the land- .. 
ing field to refill the™ hopper, etc. thousand acres of peach trees 
Will be treated during the season by tin ae in Georgia under the super- 
vision of the Fort Valley laboratory of the Bureau, in order to obtain 
data on the results, cost of operation, etc. 
For several months 0. I. Snapp, of the Ft. Valley, Ga., laboratory, 
in cooperation with B. R. Coad afd B. Johnson, of the Tallulah, la., doll 
weevil laboratory, has been giving attention to the perfection of the 
technique for using airplanes in dusting peach trees at Ft. Valley. This 
work has involved the adjustment of the feeding mechanism of the planes 
so that they would evenly distribute the heavy dust used on peach. 
‘The activity of the oriental peach moth has been resumed in the 
South. The first spring pupation took place on February 25, and the 
first adult emerged on March 8. . ; 
B. A. Porter, in charge of the Bureau Laboratory at Vincennes, 
Ind., attended the annual conference of the North Central States entomol- 
ogists at Lafayette, Ind. March 5 and 6. A very. interesting and profit- 
able discussion was held dealing with ‘the various insect problems. common 
to this group of States. 
