14 BULLETIN 685, U. S. DEPARTMENT OF AOEIOULTUBE. 



finement is less as one proceeds southward, and limited to a 

 few days at a time in the far Southern States, the winter 

 consumption of stores increases rather than diminishes 

 going southward, probably owing to greater winter activity 

 of the bees. Little winter protection is provided for bees 

 where not absolutely needed. Practically none is given in 

 the Southern States, and but Uttle in the middle tier, but in 

 the far Northern States it is the general rule to pack or cellar 

 the bees. Favorable methods of packing and the extent to 

 which used in the different States are indicated in the table. 



Table IV. — Honeybees: Losses by disease and in mntering. 



state. 



Summer losses of colonies 

 from disease. 



1915 



1916 



1917 



Winter losses of colonies from all causes. 



1914-15 1915-16 1916-17 1917-18 



Maine 



New Hampshire. . 



Vermont 



Massachusetts 



Hhode Island 



Connecticut... 



New York 



New Jersey.. - 

 Pennsylvania. 

 Delaware 



Maryland 



Virginia , 



West Virginia... 



North Carolina., 

 South Carolina. . 



Georgia. 

 Florida.. 

 Ohio.... 

 Indiana. 

 Illinois. . 



Michigan.. . 

 Wisconsin. 

 Minnesota. 



Iowa 



Missouri... 



North Dakota.. 

 South Dakota. . 



Nebraska 



Kansas 



Kentucky 



Per cent. 

 5.0 

 



2.0 

 1.0 

 1.0 



0.2 

 0.9 

 6.0 

 4.0 

 



0.8 

 2.3 





 0.4 



1.0 







2.0 



1.5 



2.0 



2.0 

 1.5 

 0.1 

 2.0 

 2.4 



5.0 

 5.0 

 0.1 

 1.0 



Per cent. 

 1.2 

 2.0 

 2.0 

 4.0 

 0.3 



10.0 

 3.0 

 3.5 

 3.0 

 1.5 



0.5 



1.0 



3.0 















4.5 



3.5 



2.0 



1.3 



3.8 

 6.0 

 1.5 

 4.0 

 1.0 







2.0 



2.0 



1.0 



4.0 



Per cent. 

 1 



1.3 

 .3 

 2 

 



4.7 

 1.8 

 1.6 

 2.1 

 5 



2.1 

 3.7 

 1.1 

 2.2 

 2.5 



1.5 

 2.2 

 2 

 4.1 



5.6 



2.7 

 2.5 

 2.2 

 2.7 

 1 







2.5 



2.7 



2.6 



1.9 



Per cent. 



11.0 

 13.7 



16.0 

 19.8 

 6.1 

 15.7 



11.4 

 11.2 

 5.7 

 5.1 

 13.1 



14.7 

 8.4 

 16.1 

 10.8 

 11.3 



10.7 

 5.4 

 16.5 

 13.0 

 31.0 



7.8 

 15.8 

 7.4 

 9.6 



Per cent. 



9.5 

 12.0 



9.0 

 23.0 

 19.0 



22.0 

 15.0 

 25.8 

 17.1 

 14.0 



19.0 

 19.2 

 14.7 

 17.0 

 11.2 



10.1 

 11.7 

 16.6 

 17.4 

 10.7 



16.0 

 14.4 

 10.0 

 10.8 

 12.6 



8.0 

 15.7 

 16.1 

 11.9 

 10.9 



Per cent. 



5.8 

 17.5 

 15.2 

 12.1 



2.3 



5.9 

 8.2 

 10.6 

 11.8 

 17.3 



6.3 

 10.7 



8.8 

 15.5 

 13.5 



4.5 

 5.0 

 10.7 

 9.7 

 6.7 



10.2 

 10.0 

 12.6 

 10.6 

 7.9 



5.3 

 13.5 

 12.5 



8.1 

 14.0 



Per cent. 

 21 

 25 

 18 

 41 

 20 



31 

 23 



30 

 40 

 20 



41 



38 

 31 

 17 

 U 



4 

 4 

 34 

 27 

 21 



22 

 13 

 14 

 18 

 17 



6 

 14 

 21 

 12 

 36 



