Table 4. LT₅₀ and LT₉₅ values of S. guianensis (negramina) essential oils against different developmental stages of A. aegypti and C. quinquefasciatus using the LC₉₅.

Insects	Stages	Slope ±SEM	LT50 (Min)	FI (LT50)	LT95 (Min)	FI (LT95)	χ2	P
A. aegypti	1 instar	0.84 ± 0.09	4.38e	2.92–5.12	6.42e	5.81–7.06	4.47	0.37
	2 instar	0.70 ± 0.02	6.62d	5.30–7.14	8.05d	7.27–10.67	3.32	0.10
	3 instar	0.71 ± 0.12	12.11c	8.20–14.06	18.85c	16.03–22.70	4.32	0.09
	4 instar	0.64 ± 0.14	20.32b	16.40 –23.02	28.20b	23.09–34.04	6.07	0.17
	Pupae	0.58 ± 0.04	30.78a	25.99 –34.41	45.79a	42.09–56.45	1.99	0.40
	Adult	0.49 ± 0.10	6.78d	5.49–7.43	9.68d	7.59–12.29	3.93	0.22
C. quinquefasciatus	1 instar	0.84 ± 0.09	4.78e	3.78–5.51	6.78d	6.22–7.39	3.27	0.27
	2 instar	1.11 ± 0.12	7.92d	6.90–8.34	9.52c	8.21–11.56	4.12	0.13
	3 instar	1.02 ± 0.12	13.51c	11.20 –15.06	20.23b	18.21–23.70	4.52	0.19
	4 instar	0.85 ± 0,14	21.47b	19.40 –24.02	43.12a	38.09–47.02	5.17	0.18
	Pupae	0.91 ± 0.04	32.78a	31.22 –36.41	40.97a	39.22–54.21	2.91	0.25
	Adult	0.76 ± 0.09	5.45e	4.92 –.6.13	8.06c	7.59–9.29	2.98	0.29

LT = response time (µL/mL); FI = fiducial interval at 95% of probability; χ² = Chi squared. Means followed by different letters are significantly different (P<0.05). Analysis of variance by the Tukey test.