
- $= 
L. G. Baumhofer, who was associated with Dr. Blackman in Region 3 
during the field season, and Spent October and November at Halsey, Nebr., 
completing his work on the tip moth and other problems, reported at the 
field laboratory at Berkeley on December 1, and will spend the winter 
months there working up his reports and assisting on laboratory projects. 
He recently meade a trip to the Eddy Tree Breeding Station, at Placer- 
fante, Calif., to Study damage done by the California pine tip moth, 
Rhyacionia pasadenana, and obtained material which he will rear at Berkeley 
for identification and life-history studies. 
A lumber company recently reported the death of pine trees cover— 
ing a considerable area in the vicinity of Houston, Tex. These trees 
were believed to be suffering from the effects of drought, ard were sub— 
Sequently attacked by secondary barkbeetles. During the months of June 
to September, inclusive, there was an accumulative deficiency of 10.59 
inches of rainfall in that area. 
Contributions from the Gipsy—Moth Laboratory 
C. W. Collins spent December 1 and 2 in Washington, consulting 
with Bureau officials concerning certain studies that are being conducted 
at the Gipsy-—Moth Laboratory. 
F. W. Graham, of the Plant Quarantine and Control Administration, 
who is stationed at Bound Brook, N. J., visited the laboratory on December 
8. 
R. C. Brown, who has been connected with the European station of 
the Gipsy-Moth Laboratory, at Budapest, Hungary, since April, 1926, re- 
turned to Melrose Highlands on December 26. 
TROPICAL, SUBTROPICAL, AND ORNAMENTAL PLANT INSECTS 
A. C. Baker, in Charge 
Dr. Baker returned to Washington December 3. 
Dr. C. A. Weigel, of the Washington office, and Dr. Ralph L. 
Miller, of the field laboratory at Orlando, Fla., attended the annual 
meeting of the American Association of Economic Entomologists at Cleve- 
land. 
C. P. Clausen, after spending some time in Cuba preparing for an- 
other expedition to the Orient to collect additional parasites of the 
citrus black fly, left Havana on December 22 for the Straits Settlements. 
En route he will stop at Panama, Honolulu, and Manila. 
F. J. Spruijt spent December 9 in Washington, conferring with 
Bureau officials in regard to his work at Babylon, N. Y. 
