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Table 3. Crop and stage specific survivorship rates for the major habitat types included in the model. Daily survivorship rates depend on the length of the stage.
Life stage Cultivated Wild Hosts
Cotton pre-flower Cotton flower Cotton peak bloom Corn Whorl stage Corn Silk stage Soybean Sorghum Wild geranium Clover General Mid-season General Late season
Egg 0.6 0.5 0.4 0.8 0.8 0.7 0.3 0.6 0.6 0.5 0.5
Young Larvae 0.3 0.3 0.2 0.6 0.6 0.2 0.3 0.55 0.5 0.5 0.5
Old larvae 0.5 0.7 0.7 0.8 0.8 0.45 0.5 0.7 0.7 0.7 0.7
Pupae 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Adults 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.7 0.7 0.7
NRR1 27.7 26.6 14.2 20.6 20.6 16 11.3 58.8 53.4 44 44
ON2 0.76 0.88 0.96 0.88 0.97 0.44 0.53 0.53 0.53 0.53 0.54
Carrying capacity 8×105 8×106 5×106 5×106 5×106 7×106 6×106 8×106 7×105 2×106 3×106

1Net reproductive rate (per generation)

2Proportion of oviposition in natal habitat

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