

\ mber LOO. 



UNITED STATES DEPARTMENT OF AGRICULTURE 

A VISITOR FROM CAMBRIDGE UNIVERSITY 
William H.. Thorpe, of the Zoological Laboratory of Cambridge Uni- 
versity (England), spent a few days in Washington in the early part of 
November. He Holds an International Education Board fellowship, and will 
spend the winter with Prof. Harry S. Smith at the Citrus Experiment Sta- 
tion at Riverside, Calif., studying the problem of natural control. He 
expects to return to the East in the spring, stopping at different points 
Of entomological interest, and the field laboratories of the Bureau may 
expect to see him. He hopes to attend the Fourth International Entomolog— 
ical Congress at Ithaca in the middle of August, 1928. 
TRUCK-CROP INSECT INVESTIGATIONS 
J. E. Graf, Senior Entomologist, in Charge 
N. F. Howard, of Columbus, Ohio, attended the meetings of the 
Ontario Entomological Society at Ottawa, Canada, on November 17 and 18. 
Rodney Cecil, in charge of the Birmingham, Ala., Mexican bean 
bettle field laboratory, was transferred to Columbus, Ohio, on November 
me 
K. L. Cockerham, Biloxi, Miss., reports that last spring some of 
the citizens at Picayune, Pearl River County, Miss., sponsored the plant- 
ing of 60 to 80 acres of sweet potatoes for commerical shipment. At the 
present time these potatoes are being harvested and from 8 to 10 cars of 
potatoes are stored in a curing house waiting for a suitable market. This 
will be the first Shipment of potatoes from that area since sweet potato 
weevils were found there several years ago. The farmers of the community 
setm very much concerned over the results of the eradication campaign 
conducted there, and conditions indicate that regular Shipments of pota- 
toes may hereafter be made from the area. 
Moe. ried, PCulipert, Miss., left on “November 23 for a. ‘short 
scouting trip to points in northern Mississippi to determine the pres— 
ence and abundance of the brown vegetable weevil (Listroderes obliquus.) 
RECEIVE ® 
%& DEC 21 997 
MONTHLY LETTER OF THE BUREAU OF ENTOMOLQGGY5. Bepartment of Arr: 
eat Oe nem OS ate 
November, 1927 
