Attractant Pheromone of the Neotropical Species Neomegalotomus parvus (Westwood) (Heteroptera: Alydidae)

Table 1

Amounts of the compounds identified in extracts obtained from air-entrainment of males and females of N. parvus (𝑁=5).

Compounds	Retention index (DB-5)*	(ng/24 hours/insect)
		Males	Females
(1) Camphene	954	0.02±0.01	1.7±0.02
(2) 6-Methyl-5-hepten-2-one	980	1.12±0.85	1.05±0.78
(3) Hexanoic acid	981	0.59±0.37	1.19±0.74
(4) Butyl butanoate	995	1.11±0.73	0.01±0.01
(5) Hexyl acetate	1008	1.26±0.91	1.37±0.79
(6) Limonene	1035	0.06±0.01	1.2±0.52
(7) (E)-2-Octen-1-ol	1059	0.06±0.02	0.01±0.01
(8) Pentyl butanoate	1093	1.23±1.17	0.66±0.16
(9) Undecane	1100	2.14±0.98	1.67±0.92
(10) Nonanal	1104	1.28±0.51	1.48±0.45
(11) Unknown compound	1165	0.14±0.13	0.33±0.12
(12) Hexyl butanoate	1193	2.15±1.92	43.58±10.12
(13) Dodecane	1200	2.21±1.49	2.89±1.48
(14) Decanal	1207	1.68±0.49	2.08±0.64
(15) 4-methyl hexyl-butanoate	1262	0.11±0.07	4.49±1.64
(16) Hexyl pentanoate	1288	—	6.84±2.11
(17) Tridecane	1300	15.06±14.05	5.11±2.21
(18) 4-methylhexyl-pentanoate	1364	—	0.49±0.15
(19) Hexyl hexanoate	1386	1.20±0.84	1.50±0.52

*Retention index was calculated using the retention time obtained in GC-FID analysis using a DB-5 column with a temperature program of 50°C/2 min, then 8°C/min to 250°C/10 min.