Table 3.

Third-instar Larval activity of the Thymus serpillum EO.

Time (h)	Concentration (mg/mL)	Mortality (%) ± SD	LC50 (mg/mL) (95%CL)	LC90 (mg/mL) (95%CL)	χ2
12	0.25	1.7 ± 2.9 c	1.725 (1.458–2.174)	4.401 (3.205–7.486)	13.964
	0.5	5.0 ± 0.0 c
	1.0	15.0 ± 5.0 b
	2.0	63.3 ± 2.9 a
		F3,8 = 235.933, p < 0.0001
	0.25	11.7 ± 2.9 c	1.159 (0.962–1.462)	4.218 (2.918–7.646)	9.307
	0.5	15.0 ± 5.0 c
	1.0	35.0 ± 5.0 b
	2.0	78.3 ± 2.9 a
		F3,8 = 169.333, p < 0.0001
36	0.25	13.3 ± 2.9 d	0.818 (0.696–0.972)	2.554 (1.945–3.843)	4.581
	0.5	23.3 ± 2.9 c
	1.0	55.0 ± 5.0 b
	2.0	88.3 ± 2.9 a
		F3,8 = 276.000, p < 0.0001
48	0.25	18.3 ± 2.9 d	0.664 (0.560–0.786)	2.166 (1.657–3.244)	5.220
	0.5	35.0 ± 5.0 c
	1.0	60.0 ± 5.0 b
	2.0	93.3 ± 2.9 a
		F3,8 = 191.667, p < 0.0001
60	0.25	31.7 ± 2.9 c	0.467 (0.389–0.547)	1.398 (1.112–1.967)	8.629
	0.5	45.0 ± 5.0 c
	1.0	76.7 ± 5.8 b
	2.0	100 ± 0.0 a
		F3,8 = 142.500, p < 0.0001
72	0.25	43.3 ± 10.4 c	0.317 (0.245–0.382)	0.994 (0.796–1.399)	6.136
	0.5	65.0 ± 5.0 b
	1.0	88.3 ± 5.8 a
	2.0	100 ± 0.0 a
		F3,8 = 45.667, p < 0.0001

The symbols “a”, “b” and “c” in the table denote levels of statistical significance, indicating meaningful differences between groups.