Table 4.
Population parameters (mean±SE) for Arma custos at different temperatures
| Temperature (°C) | Intrinsic rate of increase | Finite rate of increase | Net reproductive rate | Mean generation time | Gross reproductive rate |
|---|---|---|---|---|---|
| r (d-1) | λ (d-1) | R 0 (offspring) | T (d) | GRR (offspring) | |
| 18 ± 1 | -0.006 ± 0.001d | 0.994 ± 0.001d | 0.273 ± 0.074c | 217.338 ± 8.475a | 2.312 ± 0.575c |
| 22 ± 1 | 0.035 ± 0.002c | 1.036 ± 0.003c | 48.542 ± 10.816b | 111.239 ± 4.423b | 167.372 ± 37.396b |
| 26 ± 1 | 0.074 ± 0.004b | 1.077 ± 0.004b | 117.322 ± 18.180a | 64.305 ± 2.488c | 246.462 ± 38.150ab |
| 30 ± 1 | 0.111 ± 0.005a | 1.118 ± 0.005a | 142.273 ± 22.090a | 44.624 ± 1.180d | 313.242 ± 54.042a |
| 34 ± 1 | — | — | — | — | — |
The data in the table are the mean ± SE. Different lowercase letters in the same column indicate the significant difference analysis of this parameter in the paired bootstrap test program under different temperature treatments (P<0.05)