TABLE 2. — Percentage of insects, by groups, found at monthly intervals in cartons of 



oiled, double-oiled, 



and untreated 



raisins, 1967 













Type of insects; First 

 treatment month 



Second 

 month 



Third 

 month 



Fourth 

 month 



Percent 



Percent 



Percent 



Percent 



Grain beetles 











Untreated 



88 



90 



97 



87 



Oil, 1 coating 



70 



86 



80 



82 



Oil, 2 coatings 



69 



61 



71 



39 



Dermestids 











Untreated 



12 



8 



3 



11 



Oil, 1 coating 



29 



12 



19 



18 



Oil, 2 coatings 



30 



36 



26 



61 



Flour beetles 











Untreated 



<1 



2 



<1 



2 



Oil, 1 coating 



1 



2 



1 



<1 



Oil, 2 coatings 



1 



3 



3 



<1 



