Table 3 Comparison of reproductive parameters of Ischiodon scutellaris on the two different aphid hosts

Pre-oviposition period

4.40 ± 0.55

4.20 ± 0.84

Number of ovipositional days

23.80 ± 2.38

26.41 ± 1.81

Fecundity (no. of eggs per female)

353.40 ± 8.56^a

323.81 ± 13.08^b

Rate of egg hatching (%)

80.20 ± 3.49

82.80 ± 4.21

Net reproductive rate, R₀

308.28

302.33

Intrinsic rate of increase, r

0.143 ± 0.004^b

0.155 ± 0.003^a

Mean generation time, T_G

16.74 ± 0.35^a

16.02 ± 0.04^b

Finite rate of increase, λ

1.97 ± 0.03^b

2.02 ± 0.03^a