Table 4.

Volatile compounds of Allomyrina dichotoma larvae

No.	Compound name	Retention time	Relative peak area%
1	4-(1,2-Dimethyl-cyclopent-2-enyl)-butan-2-one	4.34	0.66
2	Phenol,2,5-bis(1,1-dimethylethyl)	4.80	3.37
3	Butylated hydroxytoluene	4.91	1.03
4	Pentanoic acid,2,2,4-trimethyl-3-carboxy isopropyl, isobutyl ester	6.06	5.83
5	2,4-Diphenyl-4-methyl-2(E)-pentene	10.03	1.14
6	Hexadecanoic acid, ethyl ester	12.75	1.12
7	Phenol,2-(1,1-dimethylethyl)-4-(1-methyl-1-phenylethyl)-	13.48	1.35
8	10,18-Bisnorabieta-8,11,13-triene	13.73	1.31
9	Phenol,2,6-bis(1,1-dimethylethyl)-4-(1-methyl-1-phenylethyl)-	14.33	5.72
10	Ethyl oleate	15.79	2.43
11	Heptadecane	16.32	1.04
12	Eicosane	17.98	2.46
13	Heneicosane	19.59	4.41
14	1,21-Docosadiene	20.69	1.61
15	2,4-Diphenyl-4-methyl-1-pentene	20.96	0.64
16	Pentacosane	21.14	4.87
17	2,4-bis(1-methyl-1-phenylethyl)-phenol	21.28	5.47
18	Unknown	21.64	11.74
19	Unknown	21.91	5.92
20	Hexacosane	22.64	5.43
21	1,13-Tetradecadiene	23.69	1.34
22	Heptacosane	24.09	5.49
23	Tetracosane	25.49	5.20
24	Octacosane	26.85	4.88
25	Triacontane	28.16	3.69
26	Phenol,2,4,6-tris(1-methyl-1-phenylethyl)-	28.46	1.13
27	1-Allyl-5-bromo-6-hydroxypyridazin-6-one	29.30	0.68
28	Tetratriacontane	29.43	3.33
29	Hexadecane, 1-iodo-	30.66	2.79
30	Tetratetracontane	31.85	1.98
31	Octadecane	33.09	1.32
32	Eicosane, 2-methyl-	34.52	0.69