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Table 1 Spider behaviour

From: Sail or sink: novel behavioural adaptations on water in aerially dispersing species

Spicemen

Behavioural experiment on water

Behav. exp. on land

Species

Family

Number of specimens

Sailing

Inactive

Other behaviours

Number of test

Tiptoeing

Yes

No

Bathyphantes concolor

Linyphiidae

25

4

81

111

196

0

25

Bathyphantes gracilis

Linyphiidae

17

10

55

71

136

0

17

Dicymbium nigrum

Linyphiidae

5

0

19

21

40

0

5

Diplocephalus cristatus

Linyphiidae

7

1

11

32

44

1

6

Diplocephalus latifrons

Linyphiidae

33

2

108

98

208

0

33

Diplocephalus protuberans

Linyphiidae

8

0

32

31

63

1

7

Erigone atra

Linyphiidae

30

40

29

131

200

7

23

Erigone promiscua

Linyphiidae

4

6

9

17

32

0

4

Erigonidium graminicola

Linyphiidae

38

138

19

143

300

14

24

Gongylidium rufipes

Linyphiidae

69

249

24

274

547

5

64

Lepthyphantes alacris

Linyphiidae

1

0

0

8

8

0

1

Lepthyphantes zimmermanni

Linyphiidae

6

8

3

36

47

1

5

Linyphia montana

Linyphiidae

3

0

7

17

24

0

3

Monocephalus fuscipes

Linyphiidae

27

0

132

79

211

0

27

Oedothorax apicatus

Linyphiidae

1

4

0

0

4

0

1

Oedothorax fuscus

Linyphiidae

4

16

0

16

32

0

4

Oedothorax gibbosus

Linyphiidae

1

4

0

0

4

0

1

Troxochrus scabriculus

Linyphiidae

1

0

3

5

8

0

1

Erigone dentipalpis

Linyphiidae

1

0

8

0

8

0

1

Erigonella hiemalis

Linyphiidae

1

0

8

0

8

0

1

Tetragnatha extensa

Tetragnathidae

43

169

30

135

334

18

25

Total

325

651

578

1,225

2,454

47

278

  1. Table showing the total number of individuals included in our study belonging to each species with (i) the results of the behavioural tests on water. Each spider was tested up to eight times. The total number of trials during which different behaviours (e.g. sailing) were observed on water is shown and (ii) the results of the behavioural test on land. Each spider was tested once, for a total of 1 min