DIAGNOSING BEE DISEASES IN THE APIARY 31 



senicals is suspected, 200 or more bees will be needed for analysis. 

 (3) Send bees in a wooden or strong cardboard box and not in tin 

 or glass. 



How To Send Samples of Treated Comb 



(1) Send a sample not less than 4 by 5 inches in size if infection 

 is heavy, or an entire brood comb if infection is slight. (2) Brood 

 remains should be present in abundance. (3) Pack the comb in a 

 clean wooden box as soon after treatment as possible. (4) Do not send 

 samples that contain honey. 



How To Address Samples 



All samples should be addressed to the Division of Bee Culture, 

 Bureau of Entomology and Plant Quarantine, Agricultural 

 Research Center, Beltsville, Md. 



Your name and address should be plainly written on the box. 

 If the sample is forwarded by an inspector, his name and address 

 should also appear on the box. 



U. S. GOVERNMENT PRINTING OFFICE: 1949 



For sale by the Superintendent of Documents, U. S. Government Printing Office 

 Washington 25, D. C. - Price 10 cents 



