Bee Diseases and Enemies 



415 



is heavier than air and settles down through the combs. 



Care should be exercised not to allow the fumes to reach a 



flame, as the gas is 

 highly inflammable. 

 The eggs of the wax- 

 moth are usually not 

 destroyed by fumiga- 

 tion, so the operation 

 should be repeated at 

 intervals of two or 

 Fig. 181. — Lesser wax-moth, larva. three Weeks until all 



the eggs have hatched. Sulphur fumes may also be used. 



Other enemies. 



Among other animals which may be mentioned as enemies 

 of bees there are several that are parasitic or predaceous, 

 or which destroy the 

 combs. Toads, vari- 



FlG. 182. — Lesser wax-moth, 

 pupa. 





Fig. 183. — Hive stand to keep off ants. 

 The band around the post is tree 

 tanglefoot. 



ous species of birds, mice, rats and other smaU mammals 

 (especially in winter), certain spiders and mites, dragon- 



