Table 3.
Body water, total sugar, and glycerol contents under control (normal) or low-temperature stress a
| Populations | Guangzhou | Xiamen | Wuxi | F, P values |
|---|---|---|---|---|
| Water contents (%) | ||||
| Larva control | 71.31 ± 0.38 a | 70.95 ± 0.21 a | 69.37 ± 0.38 b | 29.65, 0.0008 |
| Larva stressed | 70.19 ± 0.39 a | 68.94 ± 0.20 a | 68.20 ± 0.36 b | 31.17, 0.0007 |
| Pupa control | 70.84 ± 0.18 a | 70.50 ± 0.03 b | 70.07 ± 0.24 c | 15.54, 0.0042 |
| Pupa stressed | 69.70 ± 0.16 a | 69.36 ± 0.04 a | 68.63 ± 0.26 b | 18.67, 0.0027 |
| Adult control | 71.54 ± 0.09 a | 71.23 ± 0.47 a | 70.30 ± 0.17 b | 14.58, 0.005 |
| Adult stressed | 70.34 ± 0.10 a | 70.03 ± 0.45 a | 69.09 ± 0.16 b | 15.75, 0.0041 |
| Total sugar (mg/g) | ||||
| Larva control | 3.20 ± 0.013 b | 3.21 ± 0.012 b | 3.24 ± 0.006 a | 13.48, 0.006 |
| Larva stressed | 3.16 ± 0.014 b | 3.17 ± 0.013 ab | 3.20 ± 0.006 a | 6.23, 0.034 |
| Pupa control | 3.21 ± 0.010 b | 3.23 ± 0.009 b | 3.27 ± 0.005 a | 35.38, 0.0005 |
| Pupa stressed | 3.17 ± 0.001 a | 3.19 ± 0.008 b | 3.22 ± 0.005 b | 24.59, 0.0013 |
| Adult control | 3.23 ± 0.012 b | 3.23 ± 0.009 b | 3.25 ± 0.007 a | 7.18, 0.026 |
| Adult stressed | 3.18 ± 0.012 | 3.19 ± 0.010 | 3.20 ± 0.009 | 3.95, 0.080 |
| Glycerol (mg/g) | ||||
| Larva control | 4.90 ± 0.051 | 4.92 ± 0.060 | 4.98 ± 0.006 | 2.28, 0.184 |
| Larva stressed | 5.13 ± 0.036 b | 5.15 ± 0.064 ab | 5.25 ± 0.010 a | 6.85, 0.028 |
| Pupa control | 4.95 ± 0.016 b | 4.95 ± 0.007 b | 5.08 ± 0.074 a | 8.21, 0.019 |
| Pupa stressed | 5.19 ± 0.016 b | 5.20 ± 0.016 b | 5.38 ± 0.060 a | 25.19, 0.0012 |
| Adult control | 4.94 ± 0.014 b | 4.95 ± 0.014 b | 5.01 ± 0.026 a | 10.76, 0.0104 |
| Adult stressed | 5.21 ± 0.010 b | 5.22 ± 0.009 b | 5.29 ± 0.022 a | 29.06, 0.0008 |
a Mean ± SD ( n = 3) values follows different letter are significantly different (Duncan’s test, P < 0.05. The values in bold is still significant even corrected with Holm–Bonferroni method) within the same treatment among populations.