Susceptibility profile and metabolic mechanisms involved in Aedes aegypti and Aedes albopictus resistant to DDT and deltamethrin in the Central African Republic

Table 2 Larval bioassays with temephos against Aedes aegypti and Ae. albopictus larvae

Strain and site	n	LC₅₀ (mg/l) (95% CI)	LC₉₅ (mg/l) (95% CI)	RR₅₀	RR₉₅
Ae. aegypti
IPB	800	0.0055 (0.0047–0.0060)	0.0089 (0.0084–0.0098)	1.17	1.21
Sica 1	800	0.0059 (0.0052–0.0064)	0.0096 (0.0089–0.0108)	1.25	1.31
Lakouanga	800	0.0054 (0.0043–0.0063)	0.0076 (0.0068–0.0082)	1.14	1.04
Ouango	790	0.0052 (0.0046–0.0061)	0.0082 (0.0076–0.0091)	1.10	1.12
Ngongonon 3	788	0.0049 (0.0035–0.0057)	0.0079 (0.0073–0.0085)	1.08	1.08
92 Logements	782	0.0057 (0.0038–0.0061)	00095 (0.0080–0.0093)	1.21	1.30
Ae. albopictus
IPB	800	0.0050 (0.0014–0.0063)	0.0091 (0.0083–0.0148)	1.06	1.24
Sica 1	800	0.0050 (0.0012–0.0068)	0.01 (0.078–0.0127)	1.06	1.36
Lakouanga	797	0.0055 (0.0047–0063)	0.0082 (0.0077–0.0133)	1.17	1.12
Ouango	769	0.0048 (0.0037–0.0058)	0.0078 (0.0067–0.0084)	1.02	1.06
Ngongonon 3	800	0.0057 (0.0046–0.0063)	0.0098 (0.0091–0.011)	1.21	1.34
92 Logements	788	0.0042 (0.0034–0.0054)	0.0066 (0.0055–0.0078)	0.89	0.90
Reference strain	800	0.0047 (0.0020–0.0108)	0.0073 (0.0055–0.0097)

Abbreviations: LC₅₀ and LC₉₅, 50 and 95% lethal concentrations; CI Confidence interval, RR Resistance ratio

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