Table 2 Life cycle of spotted bollworm (Earias vitella) on locally developed synthetic diet for laboratory bioassay
Stage of larvae | Days and percentage |
|---|---|
Egg stage | |
Egg hatching time | 6–7 days |
Egg hatching | 90% |
Larval stage | |
Survival rate of neonatal larvae | 80% |
Survival rate of second and four instar larvae | 98% |
Time period (neonatal to four instar) | 18 days |
Pupal stage | |
Pupation after four instar | 95% |
Time period (pupa to moth) | 5–9 days |
Adult stage (moth) | |
Moth emergence rate | 80% |
Longevity | 5–8 days |