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Table 1 The cuticular substances of Acromyrmex octospinosus and Atta colombica workers and Attaphila cockroaches

From: Chemical disguise of myrmecophilous cockroaches and its implications for understanding nestmate recognition mechanisms in leaf-cutting ants

No. Substance Rt Type Acromyrmex colonies Atta colonies
Worker Cockroach Worker Cockroach
\(\bar{x}\) sd \(\bar{x}\) sd \(\bar{x}\) sd \(\bar{x}\) sd
1 Unidentified 5.3 Other 0.34 0.23 0.70 0.73 0.32 0.30 0.77 1.11
2 C12:OH 6.7 Other 2.42 1.46 2.86 2.00 2.48 2.10 5.21 2.23
3 n-C18 11.2 Linear 0.64 1.36 1.14 1.20 0.06 0.07 0.27 0.60
4 C16-OH 12.6 Other 0.21 0.21 0.30 0.28
5 n-C20 14.9 Linear 0.06 0.05 0.83 0.96
6 C18-OH 16.6 Other 0.38 0.22 0.61 0.26 0.27 0.40 0.35 0.27
7 n-C22 19.0 Linear 0.10 0.07 0.64 0.70 0.03 0.02 2.19 8.89
8 n-C23 20.9 Linear 0.31 0.24 0.29 0.29 0.26 0.12 0.15 0.19
9 Octadecenamide 22.1 Other 0.70 0.53 0.46 0.49 0.44 0.61 0.32 0.42
10 n-C24 22.8 Linear 0.24 0.17 0.77 0.79 0.26 0.16 0.26 0.50
11 n-C25 24.8 Linear 1.19 0.79 0.55 0.53 9.07 2.84 0.36 0.36
12 n-C26 26.6 Linear 0.52 0.22 0.78 0.83 0.86 0.26 0.41 0.50
13 7-, 8-, 9-, 10-, 11-, 12-, 13-MeC26 27.2 Methyl 1.01 0.55 1.06 0.48 0.61 0.27 0.99 0.36
14 n-C27 28.4 Linear 4.55 2.40 0.59 0.44 4.83 1.11 0.53 0.33
15 7-, 9-, 11-, 13-MeC27 28.9 Methyl 1.94 1.14 2.33 1.53 0.83 0.57 1.71 0.92
16 Docosenamide 29.7 Other 13.97 14.65 15.57 11.07 8.37 5.93 8.86 8.16
17 n-C28 30.0 Linear 0.55 0.39 0.67 0.68 0.68 0.33 1.51 3.83
18 9-, 10-, 11-, 12-, 13-, 14-MeC28 30.6 Methyl 2.87 4.27 3.47 6.17 1.07 0.71 1.95 1.21
19 C29:2a 30.7 Unsat 0.45 0.68 0.19 0.19
20 C29:2b 30.8 Unsat 0.47 0.62 0.27 0.24
21 C29:1 31.4 Unsat 10.90 12.01 2.60 2.31
22 n-C29 31.8 Linear 3.06 1.92 5.61 1.82 9.93 3.83 12.19 6.00
23 9-, 11-, 13-MeC29 32.2 Methyl 3.88 2.53 4.64 2.21 1.41 0.88 3.05 2.38
24 3-MeC29 + methylated alkanes 32.9 Methyl 1.32 1.22 0.95 0.69 3.09 3.95 2.18 2.99
25 10-, 11-, 12-, 13-, 14-, 15-MeC30 33.8 Methyl 3.60 2.87 2.35 1.30 2.19 1.47 3.91 2.61
26 C31:2 34.1 Unsat 5.88 9.33 5.94 3.61
27 C31:1 34.6 Unsat 3.71 3.81 5.65 2.50
28 N-C31 and 2Me-C30 34.9 Linear 1.31 0.87 4.06 2.88 0.81 0.49 1.49 0.81
29 9-, 11-, 13-, 15-Me-C31 35.4 Methyl 4.26 2.44 5.18 1.80 1.44 1.04 2.52 1.61
30 7,11-diMe-C31 36.0 Methyl 0.55 0.81 0.84 0.86
31 10-, 11-, 12-, 13-, 14-, 15-, 16-MeC32 37.2 Methyl 1.62 1.86 2.19 0.97
32 3,7,11-triMe-C31 37.3 Methyl 11.91 3.17 7.95 3.44
33 C33:2 37.4 Unsat 4.02 4.49 6.83 3.37 0.22 0.09 0.22 0.16
34 8,12-diMe-C32 37.7 Methyle 0.84 0.90 1.33 1.31
35 C33:2 37.7 Unsat 0.84 0.90 1.33 1.31 0.98 2.86 0.69 2.37
36 6,10-diMe-C32 37.9 Methyl 0.15 0.13 0.33 0.25
37 n-C33 + methylated alkane 38.2 Linear 0.71 0.52 0.93 0.43 0.27 0.22 0.84 0.61
38 9-, 11-, 13-, 15-MeC33 38.8 Methyl 2.04 1.73 2.80 1.21
39 9,13-diMe-C33 39.5 Methyl 0.59 0.69 0.14 0.11 0.35 0.68 0.18 0.11
40 3Me-C33 40.0 Methyl 1.49 1.43 1.27 1.51 0.37 0.31 1.28 1.77
41 C35:1 + C35:2 41.0 Unsat 3.33 4.31 5.31 4.43
42 Methyle alkane mixture 42.0 Methyl 4.74 1.63 4.69 1.52
43 4,8,12-triMe-C34 42.6 Methyl 12.60 4.34 14.60 5.91
44 13-, 15-, 17-MeC35 42.6 Methyl 0.64 0.78 1.11 0.40
45 x-MeC36:1 42.9 Unsat 0.40 0.47 0.35 0.75
46 x-MeC36:1 43.1 Unsat 0.31 0.25 0.91 3.06
47 x-MeC36:1 43.3 Unsat 0.46 0.28 0.32 0.21
48 5,9- and 5,11-diMe-C35 43.9 Methyl 3.75 1.21 3.32 1.09
49 3,7,11-triMe-C35 45.0 Methyl 5.05 6.62 3.81 2.00
50 C37:2 + C37:1 45.0 Unsat 5.59 6.78 3.50 2.07
51 x-MeC37:1 45.3 Unsat 0.55 0.72 0.65 0.83
52 4,8,12-triMe-C36 46.6 Methyl 2.61 0.79 2.65 0.77
53 x-MeC38:1 47.0 Unsat 0.75 0.42 0.64 0.54 1.07 0.72 0.93 0.70
54 x-MeC40:1 48.5 Unsat 2.16 1.23 2.47 1.22
55 x-MeC40:1 49.2 Unsat 4.44 5.83 1.96 1.25 0.66 0.30 0.59 0.27
56 x-MeC41:1 50.1 Unsat 1.13 0.43 0.99 0.35
57 x-MeC41:1 51.4 Unsat 0.37 0.47 0.22 0.11
58 x-MeC41:2 53.8 Unsat 0.72 1.03 0.21 0.20
59 13-, 15-Me-C41 55.1 Methyl 0.38 0.47 0.13 0.10
60 Alkyl ester 1 58.8 Other 0.55 0.70 0.20 0.29
61 x-MeC44:1 59.2 Unsat 0.53 0.50 0.30 0.19
62 Alkyl ester 2 63.9 Other 0.90 0.83 0.15 0.09
  1. Cockroach samples are separated according to the ant species they were collected with. Shown are mean and standard deviations of the relative abundances as well as the retention time (Rt) and substance class (Type). Some substances were not found in one of the species (−)