Table 1. Female weight and female size information within the age classes and statistical comparisons (ANOVA) of female weight and female size between the age classes.
| Adult weight (mg)a | Size (mm)b | Conditionc | ||||
|---|---|---|---|---|---|---|
| N | Mean ± SD | N | Mean ± SD | N | Mean ± SD | |
| Female body trials | ||||||
| Young | 12 | 92.2 ± 25.5 | 10 | 6.2 ± 0.6 | 10 | −5.6 ± 5.9 |
| Middle-aged | 12 | 94.0 ± 25.3 | 10 | 6.1 ± 0.6 | 10 | 4.5 ± 17.3 |
| Old | 12 | 83.4 ± 25.3 | 10 | 6.0 ± 0.6 | 10 | 1.5 ± 7.1 |
| ANOVA | F2,33 = 0.68, p = 0.5148 | F2,26 = 0.35, p = 0.7053 | F2,26 = 2.10, p = 0.1425 | |||
| Web trials | ||||||
| Young | 14 | 96.0 ± 27.5 | 11 | 6.2 ± 0.6 | 11 | −6.6 ± 6.3 |
| Middle-aged | 14 | 98.2 ± 27.9 | 11 | 6.2 ± 0.6 | 11 | 4.4 ± 16.4 |
| Old | 13 | 80.1 ± 23.2 | 10 | 5.9 ± 0.6 | 10 | 2.9 ± 11.4 |
| ANOVA | F2,38 = 1.88, p = 0.1664 | F2,29 = 1.22, p = 0.3105 | F2,29 = 2.88, p = 0.0725 | |||
Notes.
a
The adult weight was measured shortly after maturity.
b
For the size, we used the tibia-patella length (segments of the leg) as a good approximation for the general size of spiders.
c
Residuals of the regression of body weight shortly after maturation and size of the females.