ae 
Geo. R. Struble has been continuing his studies on the white fir 
engraver beetle. A report on the summer season of 1930 has been complet-— 
ed, and laboratory studies are in progress dealing with effects of high 
temperature on broods and rearing under laboratory conditions. 
R. N. Jeffrey has been setting up his laboratory apparatus and 
preparing to continue his studies on the plant physiology of the west- 
ern yellow pine, which have been in progress the last two summers. 
R. L. Furniss has forwarded from Syracuse a report dealing with 
his summer's work in Region 5, entitled "Line Slash Studies on Western 
Yellow Pine." 
Contributions from the Gipsy—-Moth Laboratory 
One January 15 Cs. WieCollins, J. V:.’ Schaffner, jr., C. EB. Hood, 
J. A. Millar, and C. M. Symonds attended the annual meeting of the Massa-— 
chusetts Tree Wardens and Foresters' Association, which meets jointly with 
the Local Moth Superintendents of Massachusetts. Mr. Collins gave a re- 
port on the status of the parasites of the gipsy moth and brown—tail moth. 
On January 29 A. M. Boyce, of the Citrus Experiment Station at 
Riverside, Calif., visited the Gipsy-Moth Laboratory and discussed with 
members of the staff problems in the biological control of insects. 
Dr. F. M. Carpenter, of Harvard University, visited the Gipsy- 
Moth Laboratory on January 29. 

JAPANESE-BEETLE AND ASIATIC-BEETLE RESEARCH 
C. H. Hadley, in Charge 
On January 6 H. C. Hallock, of the Asiatic-beetle sublaboratory 
at Westbury, N. Y., attended the meeting of the Nassau County Farm Bureau 
committeemen at Hempstead, Long Island, and discussed the methods of 
control recommended for the Asiatic garden beetle. 
On January 20 C. H. Hadley attended the eighth annual meeting of 
the Entomological Society of Pennsylvania, at Harrisburg, and briefly dis- 
cussed the Japanese beetle, with particular reference to the work on 
parasites. 
Recent visitors at the laboratory include Dr. A. W. Boyce, of 
Riverside, Calif., Prof. C. C. Hamilton, of the New Jersey Agricultural 
Experiment Station, Dr. R. C. Osburn, head of the Department of Zoology 
and Entomology of Ohio State University, and Prof. 0. G. Anderson, of 
the Indiana Agricultural Experiment Station. 
