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Table 1 Average Body Mass and Carapace Width (CW) for males and females of each species (Values are Mean ± SD).

From: Introducing the refined gravity hypothesis of extreme sexual size dimorphism

Species

Sex

n

Mass (mg)

CW (mm)

Bridging propensity

SDI mass

SDI CW

Argiope bruenichi

female

2

546.500 ± 406.304

4.689 ± 0.544

0

24.718

1.095

 

male

2

21.250 ± 0.778

2.238 ± 0.057

1

  

Argiope lobata

female

21

982.224 ± 406.480

6.112 ± 0.535

0

39.178

1.375

 

male

19

24.447 ± 4.166

2.573 ± 0.107

0.842

  

Argiope trifasciata

female

1

341.500

4.997

0

12.837

1.607

  

1

24.680

1.917

1

  

Tetragnatha montana

female

5

52.140 ± 5.553

2.052 ± 0.100

0

1.427

0.122

 

male

5

21.480 ± 4.452

1.830 ± 0.072

1

  

Tetragnatha pinicola

female

3

33.067 ± 9.139

1.870 ± 0.007

1

0.886

0.131

 

male

10

17.530 ± 10.123

1.653 ± 0.143

1

  

Tetragnatha nigrita

female

1

7.950

1.265

1

-0.094

-0.145

 

male

1

8.700

1.449

1

  

Neriene emphana

female

5

20.280 ± 0.733

1.544 ± 0.054

0.4

4.965

0.173

 

male

1

3.400

1.316

1

  

Tenuiphantes tenuis

female

4

0.748 ± 0.788

0.770 ± 0.051

1

0.459

0.023

 

male

11

0.482 ± 0.417

0.753 ± 0.036

1

  

Latrodectus tredecimguttatus

female

14

522.707 ± 158.910

5.179 ± 0.356

0

27.488

1.872

 

male

12

18.348 ± 4.493

1.803 ± 0.181

0.833

  

Anelosimus aulicus

female

13

4.627 ± 2.500

1.013 ± 0.064

1

0.941

0.015

 

male

3

2.383 ± 0.252

0.998 ± 0.019

1

  

Synaema globosum

female

24

35.098 ± 13.758

2.164 ± 0.250

0.625

5.470

0.267

 

male

16

5.425 ± 2.236

1.707 ± 0.124

0.875

  

Thomisus onustus

female

14

257.025 ± 127.050

3.859 ± 0.415

0.071

59.150

1.513

 

male

16

4.003 ± 1.162

1.539 ± 0.105

0.875

  

Misumena vatia

female

2

151.750 ± 11.809

3.304 ± 0.480

0

59.700

1.263

 

male

1

2.500

1.460

1

  
  1. Bridging propensity is the proportion of females or males that bridge.