Table 2 Life table parameters of T. javanus reared on two-, three- and four-day-old M. vitrata caterpillars (mean ± SE).

From: Progeny fitness determines the performance of the parasitoid Therophilus javanus, a prospective biocontrol agent against the legume pod borer

Host age

Parameters

r (day-1)

λ(day-1)

Ro (offspring)

DT (day)

Two-day-old

0.24 ± 0.01a

1.28 ± 0.01a

66.63 ± 6.62b

2.79 ± 0.07b

Three-day-old

0.26 ± 0.01a

1.29 ± 0.01a

92.03 ± 9.87a

2.66 ± 0.06b

Four-day-old

0.21 ± 0.01b

1.23 ± 0.01b

35.93 ± 6.51c

3.26 ± 0.16a

  1. Means ± SE followed by different letters in the same column are significantly different among treatments using the paired bootstrap test at 5% significance level.
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