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FOREST INSECT INVESTIGATIONS 
ee Craighead, Entomologist, in Charge 
hes . 
Dr. F. C. Craighead left Washington, D. C., June 19, on a field trip to 
visit stations and sections of the country where important studies of forest 
insects are to be made or control work is to be carried on this year. He will 
be accompanied by Dr. E. J. Kraus in his visits to Asreville, N. C., Bogalusa, 
la., and the Kaibab National Forest. 
Dr. E. J. Kraus, Professor of Applied Botany in the University of 
Wisconsin, has been appointed a Field Assistant of this office for the summer. 
Dr. Kraus was connected with this branch in the years 1907-1909. He will study 
certain tree conditions which aprear to have an important bearing on the various 
barkbeetle problems, and will visit stations in several of the areas where 
barkbeetles are epidemic or most active. Dr. Kraus spent several days in 
Washington before leaving with Dr. Craighead for Asheville, N. C., where his 
field investigations will begin, 
William Middleton, of this office, has just returned from a short trip 
to Gordonsville, Va., where an attempt is being made to establish European 
parasites of the elm leaf-beetle in this country. 
Plans are being perfected in cooperation with the American Wood Preservers! 
Association to have a termi té-proof building erected at Ancon, Canal Zone. 
This building is to be a model for frame structures in the Tropics, and, among 
other feature, will embody concrete foundations and metal termite shields, All 
woodwork and furniture will be treated with various chemical preservatives. 
With the cooperation of the National Lumber Manufacturers! Association, 
press notices have been sent out as to the advisability of modifying bailding 
codes in various cities to prevent damage by termites. .This program has been 
taken up by the Associated Press and will doubtless receive wide publicity. 
Notices have also been sent to city engineers in 150 cities. 
W. P. Flint, Entomologist of the State Natural History Survey Division 
of Illinois, is planning cooperative experiments with the State office of rural 
architecture to develop methods of termite-proofing buildings. These methods 
are to be available in. the Mississippi Valley, where a large amount of damage 
by termites occurs. | 
