S1_D ¼ .5
{Experimental diseased egg survival fraction, dimensionless, per
stage. Stage ¼ 1/F1, i.e., 30 eggs per 100 eggs survive each 1/F1 days, as noted
in the experiment.}
S1_H ¼ .7 {Experimental egg survival fraction, dimensionless, per stage. Stage ¼ 1/F1,
i.e., 70 eggs per 100 eggs survive each 1/F1 days, as noted in the experiment.}
TA1_D ¼ 1
TA1_H ¼ 1
TN1_D ¼ 5
TN1_H ¼ 5
33.2 Immigrating Insects Model Equations
281