Table 3.

Toxicity effect of various compounds against the second instar crawlers of P. lilacinus.

	Percent mortality (mean ± SE) at different concentrations after 24 h
Compounds	5,000 ppm	2,500 ppm	1,250 ppm	625 ppm	312.5 ppm	Pooled mean
1-Cyclohexyl-2-pyrrolidone	42 ± 8.37	28 ± 8.37	20 ± 12.25	8 ± 8.37	4 ± 5.48	20.40 ± 16.20 d
Camphene	44 ± 8.94	30 ± 15.81	26 ± 8.94	18 ± 8.37	8 ± 8.37	25.20 ± 15.58 cd
Cinnamaldehyde	44 ± 8.94	30 ± 7.07	22 ± 13.04	16 ± 5.48	6 ± 5.48	23.60 ± 15.24 d
Citral	38 ± 8.37	30 ± 15.81	22 ± 8.37	14 ± 5.48	4 ± 5.48	21.60 ± 14.91 d
Geraniol	60 ± 12.25	42 ± 17.89	32 ± 8.37	20 ± 10.00	14 ± 5.48	33.60 ± 19.76 bc
L-carvone	50 ± 10.00	28 ± 8.37	20 ± 7.07	16 ± 8.94	6 ± 5.48	24.00 ± 16.83 d
L-Limonene	62 ± 8.37	56 ± 5.48	46 ± 5.48	26 ± 5.48	20 ± 7.07	42.00 ± 17.79 ab
L-menthol	70 ± 7.07	54 ± 8.94	42 ± 8.37	28 ± 4.47	20 ± 7.07	42.80 ± 19.48 a
β-myrcene	40 ± 12.25	32 ± 8.37	22 ± 4.47	16 ± 5.48	8 ± 8.37	23.60 ± 13.81 d
Ocimene	50 ± 15.81	32 ± 10.95	24 ± 13.42	16 ± 5.48	4 ± 5.48	25.20 ± 18.73 cd
α-Terpinene	42 ± 4.47	32 ± 8.37	24 ± 8.94	16 ± 8.94	10 ± 10.00	24.80 ± 13.88 d
β-Terpinene	38 ± 4.47	28 ± 13.04	20 ± 10.00	14 ± 5.48	6 ± 8.94	21.20 ± 13.94 d
Pooled mean	48.33 ± 1.17 a	35.17 ± 1.17 b	26.67 ± 1.17 c	17.33 ± 1.17 d	9.17 ± 1.17 e
Compounds	F 11, 299 = 18.44; p < 0.0001
Concentrations	F 4, 299 = 170.29; p < 0.0001
Compound × Concentrations	F 44, 299 = 0.69; p > 0.05

Mean of five replications: Means followed by the same letters within a column are not statistically significant (p > 0.05) by Tukey’s HSD.