14 BULLETIN 685, U. S. DEPABTMENT OF AGKIOULTUEE. 



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 httle 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 wintering. 



State. 



Summer losses of colonies 

 from disease. 



Winter losses of colonies from all causes. 





1915 



1916 



1917 



1914-15 



1915-16 



1916-17 



1917-18 



Maine 



Per cent. 

 5.0 







2.0 

 1.0 

 1.0 



0.2 

 0.9 

 5.0 

 4.0 

 



0.8 

 2.3 



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. 



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 

 13.6 



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 



New Hampshire... 

 Vermont 





25 



11.0 

 13.7 



18 



Massachusetts 



Rhode Island 



41 

 20 



Connecticut 



New York 



16.0 

 19.8 

 6.1 

 15.7 



31 

 23 



New Jersey 



Pennsylvania 



Delaware 



30 

 40 

 20 



Maryland 



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 



41 





38 



West Virginia 



31 



North Carolina 



South Carolina 





 0.4 



1.0 







2.0 



1.5 



2.0 



2.0 

 1.5 

 0.1 

 2.0 

 2.4 



17 

 11 



4 



Florida 



4 



Ohio 



34 



Indiana 



27 



Illinois 



21 





22 





13 



Minnesota 



14 



Iowa 



18 



Missouri 



17 





5 



South Dakota 



Nebraska 



5.0 

 5.0 

 0.1 

 1.0 



7.8 

 15.8 

 7.4 

 9.6 



14 

 21 





12 



Kentucky. 



35 



