Chemical composition and the insecticidal activity of Aeollanthus pubescens leaf essential oil against Anopheles gambiae sensu stricto

Table 3 Times for 50 and 95% knockdown of An. gambiae sensu stricto strains per piece of treated net

Strain	Essential oil treatment (µg/cm²)	KDT₅₀ (s)	95% CI ([LCL–UCL)	KDT₉₅ (s)	95% CI ([LCL–UCL)	χ² value of the Pearson goodness-of-fit test	Slope	Intercept
Kisumu	55	22.1	[20.0–23.8]	45.3	[40.5–53.3]	22.2	5.3	− 7.1
	110	4.7	[4.5–4.9]	6.3	[5.9–6.8]	2.2	13.5	− 9.1
	165	3.8	[3.6–3.9]	5.7	[5.2–6.4]	2.5	9.4	− 5.4
Acerkis	55	291.72	[280.6–302.4]	373.7	[355.5–400.7]	3.6	15.3	− 37.7
	110	4.6	[4.4–4.8]	6.2	[5.8–6.8]	2.4	23.7	− 15.8
	165	1.7	[1.5–1.8]	3.5	[3.1–4.3]	2.3	5.2	− 1.2
Kiskdr	55	591.6	[576.4–607.6]	813.0	[777.6–859.0]	10.6	11.9	0.8
	110	197.4	[185.0–209.3]	308.7	[285.8–341.9]	12.3	8.5	− 19.5
	165	2.7	[2.5–2.9]	4.4	[3.9–5.1]	1.7	7.6	− 3.2

The probit regressions parameters (χ² value of the Pearson goodness-of-fit test, slope and intercept) are indicated. No knockdown time was recorded in the control group of each mosquito strain
KDT₅₀,KDT₉₅ Knockdown times for 50 and 95% of adult mosquitoes after 3 min of exposure to the net pieces impregnated with the essential oil in the cone test

ISSN: 1756-3305