HARMFUL INSECTS 135 
known of destroying Bots in the stomach. The only means 
likely to be effective in preventing the horse from being 
plagued is to keep his coat free from the eggs—this may 
4 Ant 
B ei{lowy S 
Ua 
de fat mn 
tent 
CMU te 
\ Ant sy 
Fig. 92.—The Bot-fly. (1a) Eggs, natural size, from specimens obtained 
in Wellington. (2) The same, rendered transparent to show young, magni- 
fied. (3) Portion of stomach with larvae attached, also showing “pits” 
from which larvae have been removed, natural size. (4) Larvae further 
developed. (5) Chrysalis. (6) Female fly. (7) Side view of female, showing 
the way in which the abdomen is turned under. (8) Male fly. 
be done by washing the coat where the eggs are fixed from 
time to time with hot water to hatch out any that are 
matured, or by removing the eggs as soon as they appear. 
