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 
shoiMd Ije 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 
Fig. 183. — Hive stand to keep off ants. 
Fig. 182. — Lesser wax-moth, The band around the post is tree 
pupa. tanglefoot. 
ous species of birds, mice, rats and other small mammals 
(especially in winter), certain spiders and mites, dragon- 
