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Table 1 Aliphatic cuticular substances found in Crematogaster modiglianii and the two varieties of Camponotus rufifemur

From: Tropical parabiotic ants: Highly unusual cuticular substances and low interspecific discrimination

 

substance

substance class

retention index

red Ca. rufifemur

black Ca. rufifemur

Cr. modiglianii

1

C21

n-alkane

21

 

0.26 ± 0.01%

 

2

C23:1

n-alkene

22.75

 

0.46 ± 0.03%

 

3

unknown

unknown

22.9

 

0.20 ± 0.01%

 

4

C23

n-alkane

23

 

0.16 ± 0.01%

 

5

C24:1

n-alkene

23.78

 

0.49 ± 0.06%

 

6

Docosenal+

aldehyde

24.07

 

0.40 ± 0.09%

 

7

Docosenal+

aldehyde

24.12

 

0.20 ± 0.16%

 

8

unknown

unknown

24.35

 

0.23 ± 0.06%

 

9

12-MeC24

branched alkane

24.37

0.06 ± 0.05%

  

10

11-MeC24

branched alkane

24.39

 

0.45 ± 0.02%

 

11

C25

n-alkane

25

   

12

Tricosenal+

aldehyde

25.11

 

0.11 ± 0.09%

 

13

unknown

unknown

25.69

0.05 ± 0.02%

  

14

unknown

unknown

25.7

 

0.67 ± 0.17%

 

15

C26

n-alkane

26

0.02 ± 0.01%

  

16

Tetracosenal+

aldehyde

26.09

 

0.72 ± 0.17%

 

17

unknown

unknown

26.37

 

0.21 ± 0.03%

 

18

unknown

unknown

26.72

 

0.08 ± 0.02%

 

19

C27

n-alkane

27

0.13 ± 0.11%

0.13 ± 0.01%

 

20

Pentacosenal+

aldehyde

27.15

 

0.47 ± 0.39%

 

21

unknown

unknown

27.71

0.09 ± 0.04%

  

22

unknown

unknown

27.73

 

0.52 ± 0.08%

 

23

C28

n-alkane

28

0.09 ± 0.06%

0.14 ± 0.01%

 

24

C29

n-alkane

29

0.21 ± 0.17%

0.27 ± 0.02%

 

25

C30

n-alkane

30

0.01 ± 0.01%

0.20 ± 0.03%

 

26

C31

n-alkane

31

0.15 ± 0.11%

  

27

C32

n-alkane

32

 

0.08 ± 0.03%

 

28

C35:1

n-alkene

34.85

 

0.26 ± 0.09%

0.15 ± 0.04%

29

C35

n-alkane

35.05

 

0.15 ± 0.06%*

0.76 ± 0.11%

30

17-MeC35, 15-MeC35, 13-MeC35

branched alkane

35.31

  

0.88 ± 0.25%

31

3-MeC35

branched alkane

35.74

  

0.3 ± 0.13%

32

C37:2

n-alkadiene

36.42

  

2.31 ± 0.28%

33

C37:2

n-alkadiene

36.51

  

1.56 ± 0.12%

34

C37:2

n-alkadiene

36.64

  

0.45 ± 0.07%

35

C37-13-ene, C37-14-ene, C37-15-ene, C37-16-ene

n-alkene

36.72

  

5.43 ± 0.49%

36

C37-9-ene

n-alkene

36.86

 

0.48 ± 0.15%

4.53 ± 0.4%

37

25-MeC37-14-ene, 25-MeC37-16-ene++

branched alkene

36.96

0.44 ± 0.07%

  

38

C37

n-alkane

37.05

  

0.52 ± 0.1%

39

19-MeC37, 17-MeC37, 15-MeC37, 13-MeC37, 11-MeC37

branched alkane

37.31

  

11.47 ± 0.28%

40

C38:2

n-alkadiene

37.45

  

0.18 ± 0.09%

41

11,27-DiMeC37, 11,25-DiMeC37

branched alkane

37.58

  

6.02 ± 0.33%

42

unknown

unknown

37.79

  

0.63 ± 0.1%

43

x(25,26,27)-MeC38-y(13,14,15,16)-ene++§

branched alkene

37.93

1.99 ± 0.11%

  

44

C39:3

n-alkatriene

38.23

  

1.12 ± 0.13%

45

C39:3

n-alkatriene

38.3

  

1.46 ± 0.19%

46

C39:2

n-alkadiene

38.43

  

15.23 ± 0.76%

47

C39:2

n-alkadiene

38.53

  

13.7 ± 0.73%

48

C39-ene

n-alkene

38.73

  

3.66 ± 0.34%

49

unknown

unknown

38.79

0.55 ± 0.08%

  

50

C39:1

n-alkene

38.79

  

7.62 ± 0.19%

51

C39:1

n-alkene

38.88

  

1.7 ± 0.08%

52

27-MeC39-14-ene, 27-MeC39-16-ene

branched alkene

39.02

88.66 ± 0.53%

 

3.15 ± 1.18%

53

19-MeC39, 17-MeC39, 15-MeC39, 13-MeC39, 11-MeC39

branched alkane

39.29

0.52 ± 0.24% (only 13-MeC39)

 

4.51 ± 0.2%

54

11,21-DiMeC39, 11,23-DiMeC39, 11,27-DiMeC39, 11,29-DimeC39

branched alkane

39.54

  

4.84 ± 0.52%

55

unknown

unknown

39.76

0.22 ± 0.01%

  

56

27-MeC40-14-ene, 27-MeC40-15-ene, 27-MeC40-16-ene++

branched alkene

39.97

3.41 ± 0.09%

  

57

unknown

unknown

40.17

  

1.04 ± 0.18%

58

C40:3

n-alkatriene

40.35

  

0.36 ± 0.08%

59

C40:2

n-alkadiene

40.42

  

3.39 ± 0.24%

60

C40:2

n-alkadiene

40.57

  

3.01 ± 0.29%

61

x(27,29)-MeC41-y(14,16,18)-ene++§

branched alkene

40.94

3.35 ± 0.4%

  

62

unknown

unknown

44.54

 

0.65 ± 0.12%

 

63

unknown

unknown

44.68

 

0.45 ± 0.03%

 

64

unknown

unknown

44.96

 

3.34 ± 0.19%

 

65

C45:1

n-alkene

45.05

 

3.01 ± 0.04%

 

66

36-MeC45:1

branched alkene

45.18

 

4.17 ± 0.06%

 

67

unknown

unknown

45.49

 

1.09 ± 0.4%

 

68

unknown

unknown

45.89

 

2.10 ± 0.16%

 

69

unknown

unknown

45.97

 

0.98 ± 0.06%

 

70

unknown

unknown

46.11

 

1.07 ± 0.06%

 

71

C47:2

n-alkadiene

46.41

 

15.11 ± 0.52%

 

72

C47:2

n-alkadiene

46.67

 

8.72 ± 0.37%

 

73

C47:1

n-alkene

46.74

 

4.43 ± 0.18%

 

74

C48:1

n-alkene

46.88

 

22.95 ± 0.96%

 

75

C48:1

n-alkene

47.10

 

4.10 ± 0.07%

 

76

38-MeC47:1

branched alkene

47.16

 

9.20 ± 0.49%

 

77

unknown

unknown

47.42

 

1.49 ± 0.12%

 

78

unknown

unknown

47.46

 

1.29 ± 0.11%

 

79

unknown

unknown

47.81

 

1.91 ± 0.13%

 

80

unknown

unknown

48.01

 

0.54 ± 0.07%

 

81

C49:2

n-alkadiene

48.35

 

2.55 ± 1.7%

 

82

C49:2

n-alkadiene

48.45

 

2.40 ± 1.6%

 

83

C49:1

n-alkene

48.59

 

1.25 ± 0.11%

 
  1. Relative peak areas (mean and standard error) for Ca. rufifemur and Cr. modiglianii are given based on FID data from n = 6 (red Ca. rufifemur), 3 (black Ca. rufifemur), and 8 (Cr. modiglianii) colonies. *found in less than 50% of the samples, +tentatively identified, ++position of double bond tentative, § number of substances and their exact structure could not be further determined. Retention indices beyond 44 are extrapolated.