Table 1 Mean (SD) of parameters measured or calculated on webs built by the spiders reared in boxes
Parameters | Mean (SD) | t test ( p) | |
|---|---|---|---|
Test 1 | Test 2 | ||
Length of the spiral thread (cm) | 520 (25) | 373 (29) | 4.22 (<0.001) |
Surface of the capture area (cm2) | 114 (11) | 98 (12) | 4.02 (<0.001) |
Asymmetry | 0.3 (0.03) | 0.26 (.03) | 1.28 (0.21) |
Number of radii | 26 (1) | 24 (1) | 1.27 (0.22) |
Length of the lower part (cm) | 8.5 (0.5) | 6.1 (0.4) | 3.54 (0.002) |
Number of spiral turns | 31 (1) | 26 (2) | 2.39 (0.025) |
Mesh height (mm) | 2.7 (0.2) | 2.7 (0.2) | 0.34 (0.74) |
Anomaly ratio (A/CTL) | 8 (0) | 16 (2) | 4.34 (<0.001) |