1997 Monitoring Trap Captures 



400 



300 



I 

 u 



X 200 







WPTS SFPTS SS 



Treatment 



1998 Monitoring Ttap Captures 



400 T 



300 





aE 200 



■d 



e 100 



ab 



1999 Monitoring Trap Captures 



WITS 



SFPTS SS 



Treatment 



IS 



WPTS SFPTS SS IS 



Treatment 



IS 



1997 Fruit Injury 



16 1 



12 



V 



X 



^ 4 



a 



I 1 ^ a 



a 



WPTS SFPTS SS 



Treatment 



1998 Fruit Injury- 



16 





8 - 



^ 



X 



1999 Fruit Injury 



16 



.1, 12 





4 



IS 



WPTS SFPTS SS IS 



Treatment 



WPTS SFPTS SS IS 



Treatment 



Figure 2. Mean number of apple maggot adults captured per block on interior unbailed monitoring traps and 

 mean percent of fruit injured by apple maggot flies. Means superscribed by a different letter are significantly 

 different at odds of 19: 1 . WPTS= wooden pesticide-treated spheres, SFPTS=sugar/fIour pesticide-treated spheres, 

 SS=sticky spheres, IS^insecticide sprays. 



16 



Fruit Notes, Volume 64 (Number 4), Fall, 1999 



