151 



Fig 1 . 159. White ant. 

 a) adult male ; id) same side view; b, (t. d, e nil f. structural 

 details, a, d and e enlarged ; b c,andf\ greatly enlarged, 

 [From U.S.Dept. Agric.) 



and sugar or strychnine and sugar can be put down in 

 these galleries as a poison bait. The insects which are 

 killed by this are eaten by other insects in the nest and 

 the poison becomes widely distributed. A mixture of oak 

 or spruce sawdust and either of the poisons mentioned 

 may also be used as a bait. If a small box containing this 

 mixture is placed in a building where wood ants are 



