Table 2 Developmental period, oviposition period, adult longevities and fecundity (average ± standard error) of Harmonia sedecimnotata fed on Aphis gossypii.
Stages and statistics | n | Average ± standard error |
|---|---|---|
Developmental period (day) | ||
Egg | 85 | 5.0 ± 0.00 |
1st stadium | 85 | 5.7 ± 0.30 |
2nd stadium | 81 | 2.6 ± 0.22 |
3rd stadium | 78 | 3.9 ± 0.28 |
4th stadium | 73 | 7.3 ± 0.75 |
Larva (1st to 4th stadia) | 73 | 19.5 ± 1.01 |
Pupa | 69 | 5.1 ± 0.59 |
Total development period | 69 | 29.6 ± 0.62 |
Adult longevity and oviposition periods (day) | ||
Female | 41 | 68.1 ± 6.56 |
Male | 25 | 62.9 ± 0.62 |
Pre-oviposition | 41 | 24.7 ± 6.18 |
Oviposition | 41 | 36.7 ± 3.00 |
Post-oviposition | 41 | 6.7 ± 5.32 |
Statistics | ||
Fecundity (eggs/individual) | 75.7 ± 4.99 | |
Daily maximum fecundity | 52 | |
Lifelong maximum fecundity | 1080 | |
