DISEASES AND ENEMIES OF BEES. 224 
from the egg it is difficult to discern them with the naked 
eye. Their rapidity of growth depends as much on the 
temperature in which they are placed, as upon their good 
living. A few days of hot weather may develop the full- 
grown worm, which would require weeks and even 
months { in a lower temperature. 
The larva, after spinning its cocoon (fig. 93), soon 
changes into a chrysalis, and remains inactive for 
several days, when 
it makes an open- 
ing in one end, and 
crawls out. The 
time necessary for 
this transforma- 
tion is also gov- 
erned by the tem- 
perature, although 
I think but few ever pass the winter in this state. A moth 
will rarely be found before the end of May, and not 
many are seen until the middle of June; but after this 
time they are more numerous until the end of the season. 
Fig. 93.—cocoons. 
DESTROYED BY SEVERE COLD. 
Mr. Quinby’s experience, as well as my own, leads me 
to differ with some modern writers on this point, and I 
am compelled to maintain, that if combs containing eggs 
or larve are exposed to the severe cold of our northern 
winters, not a single worm will be produced before the 
middle of June, or until some moth, matured in another 
hive, has had access to the combs, and an opportunity to 
deposit her eggs therein. 
REMEDIES. 
It has already been observed that the Italians are much 
less liable to be disturbed, or injured by the bee-moth, 
