78 SCHOOL ENTOMOLOGY 



,.- 



tap four hours, air 

 "-> them and replace 



X in the closets, which 



should have been 

 cleaned and sprin- 

 kled with benzine 

 in the meantime. 

 Repeat this opera- 

 tion twice, at in- 

 tervals of three 



V\ .... '""*. moth work will be 



eliminated. Car- 

 bon bisulphide is 



I ^ explosive but is safe 



H if handled like gas- 



oline. 



The Angoumois 



Grain-moth is a Tin- 







eid and works in 

 grain, both stored 

 and in the field. 

 In stored grain it, 

 as well as the other 

 moths mentioned, 

 may be destroyed 



FIG. 51. Types of 

 Moths. Reduced. 



1, Eyed-Tiger-moth 

 (Arctiidce) ; 2, 3, Carpenter- 

 moths (Cossidce) ; 4, Slug- 

 caterpillar moth (Euclei- 

 dce) 5, Tent-caterpillar 

 moth (Lasiocampidoe) , 6 ' 

 7, 8, Clear-wing moths, 

 (Sesiidce). 



