Supplementary Table 1:Physical and biotical characterization of the 111 tree hollows used for the analyisis and beetle richness and abundance associated to each hollow.Height: Height of the hollow (cm), CER: presence (1) or absence (0) of Cerambyx activity in the hollow, CET: presence (1) or absence (0) of Cetoniidae activity in the hollow, WMVol: Wood mould volume (cm3).

TreeHollow / HOHeigh / CET / CER / WMVol / Richness / Abundance
1 / 0 / 1 / 1 / 44585.19 / 28 / 112
2 / 150 / 1 / 1 / 31416.59 / 8 / 15
3 / 0 / 1 / 0 / 132881.24 / 17 / 25
4 / 215 / 0 / 0 / 17693.49 / 3 / 3
5 / 243 / 1 / 1 / 9079.22 / 15 / 27
6 / 230 / 1 / 0 / 80874.99 / 7 / 8
7 / 208 / 1 / 0 / 18250.73 / 2 / 2
8 / 166 / 1 / 0 / 1990.99 / 9 / 17
9 / 205 / 1 / 1 / 43580.28 / 9 / 16
10 / 0 / 1 / 0 / 153736.36 / 12 / 28
11 / 0 / 1 / 0 / 31749.80 / 8 / 9
12 / 58 / 1 / 0 / 40524.28 / 6 / 8
13 / 157 / 1 / 0 / 26959.25 / 7 / 10
14 / 123 / 1 / 0 / 200296.64 / 11 / 35
15 / 195 / 0 / 1 / 12566.40 / 6 / 7
16 / 0 / 1 / 0 / 148845.67 / 3 / 7
17 / 208 / 1 / 1 / 31416.00 / 4 / 13
18 / 280 / 0 / 1 / 38276.47 / 5 / 6
19 / 0 / 0 / 0 / 5026.56 / 5 / 13
20 / 12 / 1 / 0 / 950.33 / 3 / 6
21 / 15 / 0 / 0 / 1592.79 / 1 / 1
22 / 95 / 0 / 0 / 5131.80 / 1 / 2
23 / 180 / 1 / 1 / 3927.00 / 3 / 3
24 / 90 / 1 / 0 / 496.18 / 1 / 1
25 / 1 / 0 / 0 / 785.40 / 3 / 3
26 / 63 / 0 / 0 / 3540.58 / 0 / 0
27 / 11 / 1 / 0 / 1963.50 / 3 / 6
28 / 76 / 1 / 0 / 637.94 / 5 / 6
29 / 170 / 0 / 0 / 1710.60 / 1 / 1
30 / 331 / 0 / 0 / 2356.20 / 1 / 1
31 / 154 / 0 / 0 / 1900.67 / 4 / 6
32 / 81 / 0 / 0 / 1335.18 / 0 / 0
33 / 130 / 1 / 0 / 1558.63 / 3 / 10
34 / 76 / 0 / 0 / 3958.42 / 2 / 2
35 / 173 / 1 / 0 / 49480.20 / 12 / 27
36 / 24 / 0 / 0 / 5428.68 / 4 / 5
37 / 260 / 1 / 0 / 117.81 / 4 / 4
38 / 253 / 0 / 0 / 453.96 / 0 / 0
39 / 20 / 0 / 0 / 2830.39 / 0 / 0
40 / 150 / 1 / 0 / 25132.80 / 1 / 2
41 / 10 / 1 / 0 / 1413.72 / 1 / 5
42 / 170 / 1 / 0 / 1178.10 / 4 / 17
43 / 120 / 0 / 0 / 1943.87 / 9 / 17
44 / 220 / 1 / 0 / 1227.19 / 12 / 5
45 / 180 / 0 / 0 / 4276.50 / 6 / 31
46 / 235 / 1 / 1 / 883.58 / 12 / 20
47 / 190 / 0 / 0 / 5309.30 / 8 / 8
48 / 165 / 1 / 0 / 3763.24 / 4 / 55
49 / 125 / 0 / 0 / 3763.24 / 3 / 116
50 / 80 / 1 / 0 / 9900.16 / 8 / 5
51 / 172 / 1 / 0 / 17349.49 / 8 / 4
52 / 280 / 1 / 0 / 49652.01 / 5 / 6
53 / 250 / 1 / 0 / 1227.19 / 5 / 5
54 / 160 / 1 / 0 / 28286.18 / 5 / 19
55 / 172 / 0 / 0 / 11404.01 / 9 / 13
56 / 180 / 1 / 1 / 4712.40 / 12 / 29
57 / 258 / 1 / 1 / 79388.23 / 18 / 44
58 / 200 / 1 / 0 / 26281.05 / 16 / 40
59 / 210 / 1 / 1 / 9556.75 / 19 / 57
60 / 210 / 1 / 1 / 15788.11 / 22 / 68
61 / 183 / 1 / 0 / 9817.50 / 9 / 33
62 / 198 / 1 / 1 / 127234.80 / 14 / 49
63 / 265 / 1 / 0 / 11429.93 / 15 / 37
64 / 0 / 1 / 0 / 9247.30 / 26 / 165
65 / 82 / 0 / 0 / 15594.12 / 4 / 14
66 / 265 / 1 / 0 / 72158.63 / 12 / 25
67 / 255 / 1 / 0 / 19635.00 / 20 / 52
68 / 0 / 1 / 0 / 21382.52 / 10 / 40
69 / 195 / 1 / 0 / 13210.43 / 6 / 12
70 / 245 / 0 / 0 / 1924.23 / 9 / 50
71 / 59 / 1 / 0 / 6283.20 / 36 / 228
72 / 273 / 0 / 0 / 6333.47 / 13 / 45
73 / 10 / 1 / 0 / 24887.36 / 11 / 30
74 / 235 / 0 / 0 / 452.39 / 12 / 63
75 / 10 / 1 / 0 / 42558.86 / 10 / 16
76 / 240 / 0 / 0 / 5939.59 / 11 / 22
77 / 213 / 1 / 0 / 706.86 / 14 / 26
78 / 235 / 0 / 0 / 123640.22 / 12 / 30
79 / 0 / 0 / 0 / 53113.46 / 15 / 43
80 / 243 / 0 / 0 / 2886.35 / 12 / 20
81 / 0 / 1 / 0 / 18385.43 / 14 / 60
82 / 5 / 1 / 0 / 26580.88 / 16 / 55
83 / 0 / 0 / 1 / 198913.15 / 38 / 125
84 / 72 / 1 / 0 / 17106.01 / 11 / 49
85 / 148 / 0 / 0 / 1231.51 / 7 / 9
86 / 80 / 1 / 0 / 4570.05 / 4 / 10
87 / 241 / 1 / 0 / 606.13 / 2 / 2
88 / 236 / 0 / 0 / 2642.09 / 9 / 12
89 / 210 / 0 / 0 / 1385.45 / 4 / 10
90 / 185 / 0 / 0 / 923.63 / 10 / 16
91 / 200 / 0 / 0 / 5447.53 / 3 / 4
92 / 193 / 0 / 0 / 2075.62 / 1 / 1
93 / 125 / 0 / 0 / 2120.58 / 4 / 5
94 / 62 / 0 / 0 / 2138.25 / 1 / 1
95 / 176 / 1 / 0 / 1472.63 / 7 / 13
96 / 100 / 0 / 0 / 662.68 / 6 / 8
97 / 80 / 0 / 0 / 2120.58 / 2 / 2
98 / 106 / 0 / 0 / 2551.76 / 6 / 22
99 / 87 / 1 / 0 / 942.48 / 9 / 28
100 / 170 / 0 / 0 / 1237.01 / 3 / 5
101 / 50 / 0 / 0 / 1767.15 / 6 / 12
102 / 138 / 0 / 0 / 4276.50 / 5 / 7
103 / 200 / 0 / 0 / 1244.07 / 6 / 11
104 / 124 / 1 / 0 / 508.94 / 6 / 14
105 / 143 / 0 / 0 / 1886.92 / 10 / 19
106 / 177 / 0 / 0 / 1460.06 / 7 / 20
107 / 227 / 0 / 0 / 425.29 / 4 / 7
108 / 230 / 0 / 0 / 785.40 / 3 / 13
109 / 86 / 0 / 0 / 8349.78 / 3 / 6
110 / 10 / 1 / 0 / 8273.21 / 11 / 21
111 / 56 / 1 / 0 / 13661.05 / 26 / 137