
MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY 
UNITED STATES DEPARTMENT | OF AGRICULTURE _ 
| a on “ & December, 1925 
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FRUIT INSECT INVESTIGATIONS ~ 
A, L. Quaintance, Asgociate Chief of Bureau, in Charge 
Prof. Kota Monzen, of the tniperial College of Agriculture’ and 
Forestry at Morioka, Japan, recently pent geveral days ‘studying aphids with 
Doctor Baker and Doctor Mason, . Prof. pane is especially interested in the 
genus Melaphis. This genus is principally an oriental one, and includes 
the species which. forma the Chinese gall of commerce, | sai 
Oliver I. Snapp, in one of the Bureau's Peach Insect Laboratory 
at Fort Valley, Ga., visited the Orlando, Fla., Laboratory on December 
5 and 4 for a conference with W. W. Yothers on cil emulsions, and to 
observe. work under way with these insecticides. Over three-fourthe of the 
peach acreage in the Georgia Peach Belt is being treated with lubricating- 
O41 emulsion this winter. C. H. Alden and H. S&S. Swingle, of the Peach 
Insect Laboratory, are conducting large-scale field and laboratory experi- 
ments with these materials, 
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CEREAL AND FORAGE INSECT INVESTIGATIONS 
W. H. Larrimer, “Entomologist, in charge 
mn Kenneth W. Babcock’ has returned from Europe, qhere he hag sperit 
“nearly two years conducting a study of the European corn borer under 
-Buropean conditions and assisting in the collection of parasitic materiai. 
Mr. Babcock visited Washington on December 3 for conference with Bureau. 
| officials regarding the corn. borer ‘situation in Europe .- 
D. J. Caffrey, . who has been conducting experiments on the Buropean 
corn borer in the Lake region in the vicinity of Oak Harbor, Ohio, for 
the last three months, has returned to his headquarters at Arlington, Mass. 
| Cu C,) Hil lyvisited, Washington, D. C., December 4, for conference 
with Bureau. officials. 
While on a vacation:trip, R.A. Vickery, stationed at Arlington, Maas. , 
Galled at the Washington office on December el. 
The address ofl. H. Worthley, in charge of corn borer control, 
will. until. further. notice be Room 50, No.. le 5.:Market Street, Boston, Mass. 
