Table 2 Developmental duration, longevity, adult pre-oviposition period (APOP), total pre-oviposition period (TPOP), oviposition days (Od), total longevity of all eggs, and mean fecundity (± SE) of Anopheles stephensi reared in different water treatments
Stage | Clean water | Moderately polluted | Highly polluted | |||
|---|---|---|---|---|---|---|
n | Mean ± SE | n | Mean ± SE | n | Mean ± SE | |
Egg (days) | 150 | 1.11 ± 0.03 b | 150 | 1.14 ± 0.03 ab | 150 | 1.19 ± 0.03 a |
1st Instar (days) | 149 | 1.88 ± 0.03 a | 150 | 1.63 ± 0.04 b | 150 | 1.80 ± 0.03 a |
2nd Instar (days) | 147 | 2.20 ± 0.06 a | 150 | 2.12 ± 0.03 a | 149 | 2.09 ± 0.04 a |
3rd Instar (days) | 127 | 1.94 ± 0.06 a | 143 | 1.94 ± 0.05 a | 120 | 2.00 ± 0.06 a |
4th Instar (days) | 121 | 2.28 ± 0.01 b | 121 | 1.90 ± 0.04 ab | 108 | 2.24 ± 0.04 a |
Pupa (days) | 118 | 1.21 ± 0.04 c | 104 | 2.02 ± 0.01 a | 96 | 1.35 ± 0.05 b |
Pre-adult (days) | 118 | 10.52 ± 0.05 a | 104 | 10.42 ± 0.05 a | 96 | 10.50 ± 0.05 a |
Immature survival rate (%) | 150 | 0.79 ± 0.03 a | 150 | 0.69 ± 0.04 ab | 150 | 0.64 ± 0.04 b |
Male adult longevity (days) | 53 | 3.45 ± 0.14 a | 54 | 3.56 ± 0.19 a | 45 | 3.89 ± 0.20 a |
Male total longevity (days) | 53 | 13.98 ± 0.18 a | 54 | 13.83 ± 0.23 a | 45 | 14.33 ± 0.26 a |
Female adult longevity (days) | 65 | 12.43 ± 0.81 a | 50 | 9.38 ± 0.65 b | 51 | 9.88 ± 0.60 b |
Female total longevity (days) | 65 | 22.94 ± 0.86 a | 50 | 19.96 ± 0.71 b | 51 | 20.43 ± 0.66 b |
Total longevity (days) | 150 | 16.64 ± 0.61 a | 150 | 14.57 ± 0.43 b | 150 | 14.33 ± 0.48 b |
APOP (days) | 63 | 1.48 ± 0.06 a | 48 | 1.40 ± 0.07 a | 50 | 1.44 ± 0.07 a |
TPOP (days) | 63 | 12.00 ± 0.00 a | 48 | 12.00 ± 0.00 a | 50 | 12.00 ± 0.00 a |
Oviposition days (Od) (days) | 65 | 7.84 ± 0.57 a | 48 | 5.90 ± 0.46 b | 50 | 6.06 ± 0.44 b |
Female fecundity (F) (eggs/female) | 65 | 251.72 ± 23.38 a | 50 | 196.04 ± 24.03 ab | 51 | 182.45 ± 18.95 b |