Table 1, continued. 



With the assumptions used in this article: 



EIL(retail-TPB) = 0.45%/(10%/100) = 4.5% 



EIL(wholesale-TPB) - 0.29%/(10%/100) = 2.9% 



EIL(EAS) = 0.34%/(100%/100) = 0.34% 



IV. The trap-capture threshold (TC) can be calculated from the EIL using relationships 

 presented by Coll et al. (1 985) Agriculture, Ecosystems and the Environment 1 4:251 - 

 265. 



TC(TPB-before tight cluster) = (EIL + 0.0774) /0.8507 

 TC(TPB-before pink) = (EIL + 0.9981 )/0.71 07 



TC(EAS) = (EIL + 0.3438)/0.0757 



With the assumptions used in this article: 

 TPB before tight cluster 



TC(retail) = (4.5 + 0. 077 4) /0. 8507 = 5.4 TPB/trap 



TC(wholesale) = (2.9 + 0.0774)/0.8507 = 3.5 TPB/trap 

 TPB before pink 



TC (retail) = (4.5 + 0.998 1)/0.7 107 = 7.7 TPB/trap 



TC(wholesale) = (2.9 + 0.9981 )/0.71 07 = 5.5 TPB/trap 

 EAS 



TC = (0.34 + 0. 3438) /0. 07 57 = 9.0 EAS/trap 



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Fruit Notes, Spring, 1989 1 1 



