« 
Williem Midcleton reports that corre spondence on insects attacking 
snade trees and hardy shzubs hes begun to assume spring prop ane ons. Mr. 
Middleton would be very giad to hear from offices and field stations of the 
various branches of the Bureau concerning their general or stan Pater obser- 
vations on she comparative susceptibility to or immunity from insect attack 
of the various shade trees common in tneir section. 
SOUTHERN FIELD=CROP iNSECT INVESTIGATIONS 
J. lL. Webb, Entomologist Acting in Charge 
Col. Clarence Ousley, Secretary and Director of Activities of the 
National Boll Weevil Control Association, visited the laboratory at Tallu- 
lah, La., on February 10. 
Jd. N. Tenhet returned from the Clarksville Laboratory to Quincy, Fla., 
February el, 
L. L. Janes, of the Burcau of Agricultural Economics, cooperating with 
E. Hollovay and Ww. EH, Hailey of the Bureau of Bntomolozy, estimates the 
normal loss to sugar cane in Louisiane due to the sugar~-cane moth borer to be 
570 pounds of sugar per acre, The loss for 1922 is estimated at 510 vounds, 
and for 1923 at 690 pounds, ‘The borer is BSEBo? Sue for gimilar damage in 
Florida, Mississippi, and Texas, and it also seriously injures corn, broom corn, 
Kafir corn, etc. 
N. G. Wessels, a student of the Government of the Union of South 
Africa, spent several weeks during January and February visiting the Bureau 
laboratories at Dallas, Uvdlde, and Sonora, Tex,, in connection vith his 
study of Angora gost production in this country. He also spent a fer days 
Washington just prior to sailing for England. Mr. Wessels is a student of 
Dr. R. O. Wohl who is entomologist at the Grootfontein Scnool of Agriculture, 
ne 
Middleburg, Cape, and visited this country some two years 2206 
bete 
n 
ran 
J. W. Ingram, who vas in Washington at the beginning of the month, has 
returned to his een at Crovley, Le. 
STOREND—PRODUCT INSECT INVESTIGATION: 
B. A. Back, Entomologist.in Charge 
E. A, Vaughan has been transferred from Thomasville, Ga., to general 
grain pest investigat tions at Orlando, Flae 
