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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