


9° MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY 
< _____ UNITED STATES DEPARTMENT OF AGRICULTURE 
Number 158 | June, 1927 
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FOREST INSECT INVESTIGATIONS 1 
F. C. Craighead, Senior Entomologist, in Charse , ‘ 
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+ U. 8, Department of Agriculwre § 
' Dr. T. E. Snyder spent June 8 and 9 at Henderson, Kys, consulting 
| with house owners on methods of eradicating subterranean termi nates WOT Ch erent 
| were damaging the woodwork of buildings. In several instances at Henderson 
these termites had penetrated and damaged the buildings, owing to the fact 
that inferior grades of mortar had been used in the brick foundations. 
On June 13 C. W. Knowles, Director of Agriculture, Accra, Gold Coast, 
British West Africa, and A. J. Findlay, Ibadan, Nigeria, British West Africa, 
consulted with Dr. Snyder in regard to methods of termite control in their 
respective districts, in which termites are one of the major pests. 
BEE CULTURE INVESTIGATIONS 
James I. Hambleton, -Apiculturist, in Charge 
The facilities for research work at the Bee Culture Laboratory have 
been considerably augmented by the recent addition of an entire new bee- 
disease laboratory on the third floor of the present building, where diseases 
pertaining to both brood and adult bees will be studied. 
Although U. S. standard grades for honey have just been announced, 
this Division has already received reports that use is being made of them by 
certain large commercial shippers of honey. 
- Prof. Lloyd M. Bertholf has just been given a temporary appointment, 
to return to the Laboratory to continue his experiments on the response of 
the honeybee to lights of various intensities and, wave lengths. 
Miss Mary Louise Crossman has been appointed Temporary Field Assist- 
ant, to assist in bee-disease research and in the diagnoses of samples of 
bee diseases, which are sent to the Laboratory from all parts of the country. 
A cabin has been leased in an isolated locality about 16 miles from 
« \aramie, Wyo., to serve as temporary headquarters for some work on flight 
activity and bee diseases. W. C. Northrup and C. Harry Linsley have re- 
cently received temporary appointments as Field Assistants, to assist in this 
work at the Intermountain Bee Culture Field Station. 
