Table 1. Duration of developmental stages, egg hatchability , larval and pupal mortality of L.tristisin laboratory and field setups.
| Sl No. | Stage | Laboratory (mean ± SD) | Field (mean ± SD) | t | df | Significance level |
|---|---|---|---|---|---|---|
| 1 | Egg incubation period | 3.7± 0.63 | 3.58± 0.54 | 1.45 | 193 | n.s. |
| 2 | Larval period | 32.94± 3.17 | 30.74± 3.32 | 4.79 | 197 | *** |
| 3 | Pupal period | 3.06± 0.51 | 3± 0.40 | 0.93 | 187 | n.s. |
| 4 | Pre-dormancy period | 28.83± 3.33 | 31.46± 3.35 | −5.5 | 195 | *** |
| 5 | Dormancy period | 277.51± 4.05 | 278.69± 3.34 | 2.02 | 149 | * |
| 6 | Post-dormancy period | 32.00± 4.71 | 34.31± 4.72 | −3.12 | 159 | ** |
| Percentage | χ 2 | |||||
| 7 | Egg hatchability | 94% | 97% | 1.047 | 1 | n.s. |
| 8 | Larval survivability | 96% | 99% | 1.846 | 1 | n.s. |
| 9 | Pupal survivability | 97% | 99% | 1.02 | 1 | n.s. |