Table 3 Population parameters, including the intrinsic rate of increase (r), finite rate of increase (λ), net reproduction rate (Ro), mean generation time (T), and gross reproductive rate (GRR) of Acanthococcus lagerstroemiae under different nutrient conditions.

From: Life table construction for crapemyrtle bark scale (Acanthococcus lagerstroemiae): the effect of different plant nutrient conditions on insect performance

Conditions

r (/days)

λ

Ro

T (days)

GRR (offspring/individual)

Water

0.018 ± 0.003 a

1.018 ± 0.023 a

9.84 ± 3.57 a

127.35 ± 7.51 b

95.51 ± 31.55 a

0.01MS

0.017 ± 0.004 a

1.017 ± 0.075 a

7.33 ± 3.10 a

121.37 ± 7.53 b

61.95 ± 27.35 a

0.1MS

− 0.0018 ± 0.002 b

0.998 ± 0.482 b

0.77 ± 0.77 b

142.86 ± 1.92 a

48.00 ± 0.00 a

  1. Values are means ± standard errors; data within a column followed by different letters are significantly different at p < 0.05 by using paired bootstrap test.
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