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MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY ms 
UNITED STATES DEPARTMENT OF AGRICULTURE . 
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Number 186 | ---. October,-1929 
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TROPICAL, SUBTROPICAL AND ORNAMENTAL PLANT INSECTS 
A. C. Baker, in Charge 
M, McPhail, of Cuernavaca, Mexico, came to Washington, D. C., Au- 
gust 25, to make a statistical analysis of the data that he collected 
while engaged in studies of the Mexican fruit worm, and to confer with 
Bureau officials regarding this work. At the end of October he is 
_ still engaged in his duties here. 
The temporary appointment of Theodore R. Hansberry, which began 
March 11 last, was terminated September 10. The temporary appointment 
of Paul M. Scheffner, begun July 29, has been extended to November 29. 
These employees have assisted in field work in investigations of bulb 
insects at the field laboratory at Summer, Wash. 
H. D. Young, of the Bureau of Chemistry and Soils, spent the months 
of June, July, and August at the field laboratory at Summer, Wash., 
carrying on chemical investigations relating to the fumigation of bulbs. 
On October 19 Dr. C. A. Weigel returned to his official station 
at Washington, D. C., after spending a considerable part of the summer 
at Babylon, Long Island, N. Y., starting the investigational work in 
connection with the opening of a new field laboratory for the study of 
insects affecting narcissus and related bulbs. 
While on a vacation trip east in October, ©. F. Doucette, in charge 
of the field laboratory at Summer, Wash., visited the bulb-growing sec- 
tion about Babylon, Long Island, and on his return spent several days 
late in October in Washington conferring with Bureau officials. He 
reports that the bulb industry in the Northwest is developing very 
‘Tapidly. 
C. H. Martin was transferred from Washington, D. C., to the new 
field laboratory at Whittier, Calif., on October 1. During his assign- 
ment in Washington, beginning in November, 1928, Mr. Martin was engaged 
in studying insects in greenhouses, but for the summer months he was 
located at Babylon, Long Island, where he studied the life history of 
the lesser bulb fly. 
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On September 28 F. J. Spruijt, who had been with the Bureau about 
a year, assisting C. F. Doucette in the work on bulb insects at Sumner, 
Wash., took charge of the investigations of bulb insects recently begun 
at Babylon, Long Island. Just before coming to the Bureau of Entomology 
he spent a year in Holland, pursuing graduate studies. 

