Table 2. Prey-mediated effects of Cry2Aa on life-table parameters of Cyrtorhinus lividipennis preying nymphs of Nilapavarta lugens reared with T2A-1 or Minghui 63 rice plants.
| Parameters | T2A-1 | Minghui 63 | Statistics |
| 2nd instar developmental time (days ± SE)a | 1.9±0.08 (76) | 1.8±0.06 (77) | U = 2.538E3*, P = 0.102 |
| 3rd instar developmental time (days ± SE)a | 1.8±0.07 (63) | 2.0±0.08 (70) | U = 1.875E3*, P = 0.087 |
| 4th instar developmental time (days ± SE)a | 2.4±0.09 (50) | 2.4±0.13 (48) | U = 1.180E3*, P = 0.873 |
| 5th instar developmental time (days ± SE)a | 2.8±0.17 (29) | 2.7±0.15 (27) | U = 367.5, P = 0.654 |
| 2nd instar-adult developmental time (days ± SE)a | 8.8±0.21 (28) | 9.2±0.20 (26) | U = 292, P = 0.190 |
| Preimaginal survival (%)b | 35.0 | 32.5 | χ 2 = 0.112, P = 0.738 |
| Female ratio (%)b | 42.9 | 38.5 | χ 2 = 0.108, P = 0.743 |
| Male weight (mg ± SE)c | 0.33±0.05 | 0.30±0.01 | t = −0.420, P = 0.696 |
| Female weight (mg ± SE)c | 0.46±0.02 | 0.43±0.09 | t = −0.322, P = 0.764 |
The experiment started with 80 nymphs per treatment. (n), number of individuals at each development stage.
*E3 = 10−3.
a
Mann–Whitney U-test.
b
Chi-square test.
c
Student's t-test.