10 



BULLETIN" 325, IT. S. DEPARTMENT OF AGRICULTURE. 



Table 2. — Winter losses of honey bees; causes and percentage of colonies lost, winter 



1914-15. 









Causes and percenta 



ges of winter losses. 







State. 



(a) 



Queen 



lost 

 or im- 

 potent. 



(&) 



Starva- 

 tion. 



(c) 



Cold, 



expos- 

 ure, 

 smoth- 

 ering. 



Moths 

 and 

 ants. 



(«) 



Foul 

 brood 



and 

 other 



dis- 

 eases. 



(/) 



Poor 

 honey, 

 dysen- 

 tery. 



GO 



Late 



and 



weak 



swarms. 



(h) 



Lack 



of 

 young 

 bees. 



(0 



Miscel- 

 lane- 

 ous 

 and un- 

 known. 



(i) 



Total 

 loss of 

 colo- 

 nies. 





P.ct. 



0.1 



P.ct. 

 0.4 



P.ct. 

 0.1 

 2.1 



P. ct. 



P. ct. 



P. ct. 



2.7 



.5 



P. ct. 

 0.1 

 11.1 



P. ct. 



P.ct. 

 7.6 



P.ct. 

 11.0 

 13.7 

 16.0 

 19.8 

 6.1 

 15.7 



11.4 

 11.2 

 5.7 

 5 1 



Massachusetts 







Connecticut 





16.0 



.6 













1.2 

 2.2 

 2.2 



.3 

 1.5 



.1 







9.4 



.5 



1.8 



3.7 

 1.3 

 5.7 



6.4 

 1.5 



2.7 



1.4 

 1.4 



1.3 

 .2 



1.1 

 .4 



2.1 



.5 



5.9 



4.1 







0.1 



Pennsylvania 



1.2 



4.7 

 1.8 



1.7 

 .1 





0.2 



.6 







West Virginia 



North Carolina 



.4 

 5.7 

 2.8 



2.3 



.8 



.9 



2.1 



2.9 



4.1 



.2 



2.4 



2.6 

 3.3 

 10.7 





1.7 

 3.7 

 1.1 





.4 

 .4 







South Carolina 











13 1 



Georgia 









.1 



3.8 

 .1 



1.1 

 .1 

 .6 



.6 

 .5 



1.1 

 23.4 



.8 



3.6 

 .1 



1.7 

 .5 



5.8 



7.1 



14.7 



8.4 









2.3 

 .2 



i.8 



.2 



5.5 



1.7 



Ohio 



1.4 

 .5 



2.6 



10.5 

 .1 



2.6 



2.2 

 2.5 

 1.6 



.1 





1.5 

 .6 



5.4 

 2.9 

 4.3 

 2.1 



.6 

 5.3 

 3.4 

 3.3 





10.8 

 11.3 

 10.7 









.7 















16.5 









1.3 



2.7 



2.0 





4.3 

 3.0 



2.6 

 .1 

 .7 

 .3 





31 





.4 



2.4 

 .4 

 .9 



1.4 



.8 



.7 

 2.1 

 1.5 

 1.0 



2.8 



3.6 

 3.5 

 2.7 

 3.7 

 10.5 



11.4 

 5.6 

 3.1 

 1.0 



25.0 



17.4 

 .5 









.8 











3.6 













3.3 









.1 

 .3 

 .1 



1.3 



.2 

 .1 



2.2 



3.2 



1.0 



9 5 





1.7 





8 9 









.5 







23 2 









7 7 





2.4 



.2 



.2 



.3 



1.5 

 2.0 





.6 



8.7 



7 1 













25 





1.7 

 2.3 

 1.7 



1.5 



4.8 

















19 1 





1.4 





.6 



.8 



1.5 



1.1 

 2.5 



2.3 



5.0 



10 5 





9.2 











.2 

 .1 



3.3 



.3 



Utah 





1.0 





1.0 



.3 



5.0 

 .6 



1.0 

 .5 



.9 



10 5 





5 





2.6 



.9 



2.2 



2.5 



.2 

 .2 



.2 

 16.9 







.6 



.6 

 .8 



1.1 



5.9 



19.8 

 3 9 











.2 



1.0 

 1.2 







.1 







.3 





5 





! 





United States, 

 average 



1.5 



3.2 



.9 



.3 



.3 



2.1 



1.1 



.4 



2.8 



12.6 



