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Table 4 Relative amount (%, mean ± SE) of volatile compounds collected from the headspace of disturbed female and male Triatoma dimidiata

From: Volatile compound diversity and conserved alarm behaviour in Triatoma dimidiata

  

Haplogroup 1

 

Haplogroup 2

 

Haplogroup 3

 

Retention sequence

Disturbed compounds

1

3-Methyl-2-pentanone

0.44 ± 0.02(9)*

0.50 ± 0.04(8)

0.36 ± 0.02(10)

0.35 ± 0.02(10)

0.15 ± 0.02(8)

0.50 ± 0.15(10)

2

2-Ethylhexenal

t

t

t

t

N.D

N.D

3

3-Methyl-2-hexanone

36.63 ± 1.80(10)

42.20 ± 3.45(10)

44.98 ± 4.13(10)

41.79 ± 3.93(10)

9.46 ± 3.60(10)

34.35 ± 0.12(10)

4

3-Methyl-2-hexanone isomer

0.25 ± 0.01(10)

0.31 ± 0.02(9)

3.49 ± 0.21(8)

3.23 ± 0.21(9)

0.39 ± 0.13(7)

0.33 ± 0.12(7)

5

3,5-Dimethyl-2-hexanone

1.28 ± 0.05(10)

2.18 ± 0.09(10)

1.18 ± 0.09(10)

1.06 ± 0.08(10)

0.21 ± 0.11(8)

0.36 ± 0.15(9)

6

3,5-Dimethyl-2-hexanone isomer

0.24 ± 0.01(8)

0.31 ± 0.02(9)

t

t

t

0.14 ± 0.06(8)

7

3-Methyl-2-pentanol

0.43 ± 0.02(9)

t

t

t

N.D

N.D

8

1-Octen-3-one

5.20 ± 0.19(10)

5.91 ± 0.42(10)

0.50 ± 0.03(10)

0.48 ± 0.03(10)

1.39 ± 0.39(10)

5.95 ± 1.87(10)

9

3-Methyl-2-hexanol

0.84 ± 0.06(10)

0.96 ± 0.07(10)

0.77 ± 0.04(10)

0.60 ± 0.04(10)

1.23 ± 0.45(10)

6.72 ± 4.33(10)

10

4-Methyl-1-pentanol

0.10 ± 0.00(9)

0.14 ± 0.01(8)

0.25 ± 0.02(10)

0.23 ± 0.02(8)

N.D

N.D

11

6-Methyl-5-hepten-2-one

t

t

t

t

t

0.11 ± 0.05(7)

12

3,5-Dimethyl-2-hexanol

0.45 ± 0.02(10)

0.55 ± 0.04(10)

1.08 ± 0.10(9)

1.03 ± 0.08(10)

0.43 ± 0.10(9)

1.13 ± 0.43(10)

13

3,5-Dimethyl-2-hexanol isomer

0.77 ± 0.03(8)

0.84 ± 0.06(9)

1.09 ± 0.05(8)

0.81 ± 0.07(9)

N.D

N.D

14

Dodecanal

0.23 ± 0.01(8)

0.28 ± 0.02(9)

0.10 ± 0.01(7)

0.09 ± 0.01(9)

N.D

N.D

15

2-Nonanol

0.29 ± 0.01(8)

0.40 ± 0.02(9)

t

t

N.D

N.D

16

3-Methoxy-2,5-dimethylpirazine

0.30 ± 0.01(10)

0.40 ± 0.02(10)

0.83 ± 0.09(10)

0.86 ± 0.05(10)

0.49 ± 0.23(10)

1.66 ± 0.63(10)

17

3-5-Dimethyl-1-hexene

0.10 ± 0.01(8)

0.11 ± 0.01(9)

0.25 ± 0.02(9)

0.24 ± 0.02(7)

N.D

N.D

18

1-Octen-3-ol

0.58 ± 0.02(10)

0.84 ± 0.05(10)

1.22 ± 0.06(10)

0.92 ± 0.07(10)

N.D

N.D

19

Decanal

t

0.21 ± 0.02(8)

0.26 ± 0.02(9)

0.24 ± 0.02(9)

N.D

N.D

20

2-Methoxy-3-sec-butylpirazine

0.22 ± 0.01(9)

0.23 ± 0.01(10)

0.12 ± 0.01(10)

0.11 ± 0.01(10)

0.24 ± 0.12(8)

0.59 ± 0.18(10)

21

Nonanal

1.69 ± 0.08(7)

2.00 ± 0.12(9)

0.12 ± 0.01(9)

t

N.D

N.D

22

2-Methoxy-isobutylpirazine

t

0.06 ± 0.00(10)

0.28 ± 0.01(8)

0.24 ± 0.02(9)

0.19 ± 0.07(9)

0.27 ± 0.13(10)

23

4-Methyl-1-heptanol

0.69 ± 0.03(9)

0.88 ± 0.05(6)

0.41 ± 0.02(8)

0.34 ± 0.03(9)

N.D

N.D

24

Isobutyric acid

49.11 ± 2.01(10)

40.48 ± 4.06(10)

42.39 ± 4.71(10)

47.03 ± 4.64(10)

81.5 ± 516(10)

43.34 ± 8.22(10)

  1. *Numbers between parentheses indicate the detection frequency for each compound (N =10 samples).
  2. Compounds not identified by comparison of pure standards.
  3. t,Traces, traces < 0.1% abundance; N.D., not detected.