Sex Pheromones of Stenotus rubrovittatus and Trigonotylus caelestialium, Two Mirid Bugs Causing Pecky Rice, and Their Application to Insect Monitoring in Japan

Table 1

Compounds identified in extracts of female Stenotus rubrovittatus [16].

Compounds	KI^aHPINNOWax	KI^aHP1	Relative amount (%)^b
Hexyl acetate	1,276	996	0.8
Pentyl butyrate	1,320	1,076	0.5
(E)-2-Hexenyl acetate	1,337	995	0.2
Hexyl propionate	1,342	1,091	0.2
4-Methylpentyl butyrate	1,374	1,142	0.8
Hexyl butyrate	1,417	1,192	100
Hexyl isopentanoate	1,447	1,228	0.2
(E)-2-Hexenyl butyrate	1,475	1,195	46.2
(Z)-3-Hexenyl butyrate	1,466	1,146	0.5
Hexyl pentanoate	1,516	1,274	0.2
Heptyl butyrate	1,520	1,276	0.1
Hexyl (E)-2-butenoate	1,562	1,224	0.1
(E)-4-Oxo-2-hexenal	1,599	958	5.4
Hexyl hexanoate	1,613	1,370	0.1
Octyl butyrate	1,620	1,374	0.1
Methyl tetradecanoate	2,014	1,684	2.0

^aKováts retention index [22] using HP-INNOWax (KI_HPINNOWax) and HP-1 (KI_HP1) columns.
^bValues are percentages relative to the amount of hexyl butyrate.