Insecticide susceptibility of Aedes aegypti and Aedes albopictus in Central Africa

Parasites & Vectors

Table 2 Susceptibility of Ae. aegypt i and Ae. albopictu s larvae to Temephos

Sample	N	Regression line	Pearson χ² goodness of fit	LC₅₀ (95%CI)	LC₉₅ (95%CI)	RR₅₀	RR₉₅
*Ae. aegypti*
Garoua	500	Y = 10.68X + 25.82	0.36	0.0040 (0.0037-0.0042)	0.0064 (0.0060-0.0070)	0.75	0.66
Bertoua	500	Y = 3.57X + 7.28	0.48	0.0090 (0.0048-0.0170)	0.0260 (0.0022-0.3100)	1.75	2.68
Yaoundé	253	Y = 11.36X + 25.68	0.30	0.0055 (0.0052-0.006)	0.0076 (0.0067-0.0100)	1.04	0.78
Bafia	500	Y = 7.07X + 16.04	0.006	0.0053 (0.0047-0.0084)	0.0092 (0.0068-0.0410)	1.02	0.95
Libreville	500	Y = 8.17X + 19.56	0.061	0.0043 (0.0020-0.0081)	0.0068 (0.0051-0.0080)	0.81	0.70
*Ae. albopictus*
Bertoua	493	Y = 6.75X + 15.58	0.14	0.0049 (0.0013-0.0180)	0.0086 (0.0061-0.0120)	0.92	0.89
Yaoundé	497	Y = 8.00X + 18.38	0.30	0.0050 (0.0021-0.0110)	0.0080 (0.0064-0.0100)	0.94	0.82
Buea	375	Y = 9.57X + 20.55	0.27	0.0071 (0.0065-0.0200)	0.012 (0.0087-0.0500)	1.34	1.03
Libreville	275	Y = 4.56X + 25.68	0.11	0.0076 (0.0023-0.0240)	0.017 (0.0017-0.1700)	1.43	1.75
*Reference strain*	500	Y = 6.22X + 14.17	0.57	0.0053 (0.0035-0.0079)	0.0097 (0.0073-0.012)

N: Total number of mosquitoes assayed; 50% and 95% lethal concentrations, LC₅₀ and LC₉₅, are expressed in mg/liter; 95%CI: 95% confidence interval; p > 0.05 suggests a well-fitting model, P < 0.05 suggests an invalid model population.

ISSN: 1756-3305