Preparation of Ecofriendly Formulations Containing Biologically Active Monoterpenes with Their Fumigant and Residual Toxicities against Adults of Culex pipiens

Table 4

Knockdown time (KT₅₀) of single monoterpenes at different concentrations (mg/cm²) against the female adult Cx. pipiens as determined by residual assay.

Compound	Concentration (mg/cm^2)	KT50	⁢95% confidence limits (min)		Slop ± SE	Intercept ± SE	()
			Lower	Upper
Camphor	5	>60	—	—	—	—	—
	10	>60	—	—	—	—	—
	20	>60	—	—	—	—	—
	40	25.49	22.65	28.43			28.67
Menthol	5	>60	—	—	—	—	—
	10	11.66	8.59	14.55			87.40
	20	3.73	2.01	5.29			23.43
	40	2.57	1.38	3.46			1.79
Camphene	5	>60	—	—	—	—	—
	10	>60	—	—	—	—	—
	20	>60	—	—	—	—	—
	40	49.84	46.42	54.24			9.76
Deltamethrin	0.05	19.48	16.86	21.87			36.89
	0.1	12.02	10.11	13.81			30.58
	0.5	5.54	5.01	6.03			1.74
	5	1.94	0.59	2.98			1.98