Hemolymph volume, sodium content and sodium concentration in the C and D flies prior to desiccation (0 h) and after desiccation for 8 h, 16 h, 24 h(D flies only) and 48 h (D flies only)
| . | Control populations . | . | . | Desiccation-resistant populations . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time (h) . | Hemolymph volume (nl) . | Hemolymph sodium content (nmol fly−1) . | Hemolymph sodium concentration (mmol l−1) . | Hemolymph volume (nl) . | Hemolymph sodium content (nmol fly−1) . | Hemolymph sodium concentration (mmol l−1) . | ||||
| 0 | 50±19a | 3.1±1.3a | 62±19 | 328±22a | 22.9±3.3a | 70±4 | ||||
| 8 | 19±5b | 0.5±0.2b | 28±12 | 218±19b | 21.2±3.2a | 97±8 | ||||
| 16 | 19±5b | 0.3±0.3b | 16±16 | 178±19b,c | 7.5±2.7b | 42±7 | ||||
| 24 | 120±12c,d | 7.4±1.5b | 62±14 | |||||||
| 48 | 56±8d | 6.4±2.1b | 114±46 | |||||||
| . | Control populations . | . | . | Desiccation-resistant populations . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time (h) . | Hemolymph volume (nl) . | Hemolymph sodium content (nmol fly−1) . | Hemolymph sodium concentration (mmol l−1) . | Hemolymph volume (nl) . | Hemolymph sodium content (nmol fly−1) . | Hemolymph sodium concentration (mmol l−1) . | ||||
| 0 | 50±19a | 3.1±1.3a | 62±19 | 328±22a | 22.9±3.3a | 70±4 | ||||
| 8 | 19±5b | 0.5±0.2b | 28±12 | 218±19b | 21.2±3.2a | 97±8 | ||||
| 16 | 19±5b | 0.3±0.3b | 16±16 | 178±19b,c | 7.5±2.7b | 42±7 | ||||
| 24 | 120±12c,d | 7.4±1.5b | 62±14 | |||||||
| 48 | 56±8d | 6.4±2.1b | 114±46 | |||||||
Each value is the mean ± s.e.m. derived either from the five C or five D populations. The cells in a column that contain different letters are significantly different at the P=0.05 level.