Adult female size and web characteristics of the four araneoid species studied
| . | Cyclosa turbinata (N=23) . | Micrathena gracilis (N=21) . | Argiope trifasciata (N=25) . | Araneus marmoreus (N=15) . |
|---|---|---|---|---|
| Spider mass (mg) | 8.9±0.8 | 84.3±5 | 474.0±51.6 | 677.1±75 |
| Web capture area (cm2) | 92±7 | 201±12 | 848±74 | 600±42 |
| Spiral spacing (mm) | 1.6±0.1 | 1.3±0 | 3.9±0.2 | 3.1±0.2 |
| Stickiness per capture area (μN/cm2) | 855±37 | 2333±75 | 778±39 | 1307±76 |
| . | Cyclosa turbinata (N=23) . | Micrathena gracilis (N=21) . | Argiope trifasciata (N=25) . | Araneus marmoreus (N=15) . |
|---|---|---|---|---|
| Spider mass (mg) | 8.9±0.8 | 84.3±5 | 474.0±51.6 | 677.1±75 |
| Web capture area (cm2) | 92±7 | 201±12 | 848±74 | 600±42 |
| Spiral spacing (mm) | 1.6±0.1 | 1.3±0 | 3.9±0.2 | 3.1±0.2 |
| Stickiness per capture area (μN/cm2) | 855±37 | 2333±75 | 778±39 | 1307±76 |
Values are means ± 1 s.e.m. (from Opell, 1999b)
Capture area is the area of the web bounded by the innermost and outermost capture spiral turn. Thread stickiness was measured with fine sandpaper, which registers stickiness that is very similar to that of a fleshfly wing(Opell, 1997)