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Table 3. Spatial distributions of Trichoton sordidum in habitat-complexity fields of six black pebbles. Shown are mean numbers of beetles in a group of 10 visiting each pebble over 15 trials. Dispersal appeared to be a consistent pattern of random distribution of adhesive aggregation clusters.
Pebble #
Trial Number
Average
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
4
1
1
2
3
2
0
2
1
1
2
1
0
0
2
1.5
2
1
3
1
0
0
0
4
3
2
0
2
0
2
2
0
1.3
3
2
3
1
2
1
0
0
3
0
1
2
0
0
1
0
1.1
4
1
3
0
0
0
1
1
1
0
1
2
2
1
1
3
1.1
5
3
1
0
0
3
3
4
1
1
3
0
2
1
1
1
1.6
6
2
2
2
2
0
4
1
2
2
1
4
1
1
0
2
1.7
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