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Table 2 Deltamethrin knockdown concentrations (KC50 and KC90) and resistance ratios (RR) for Aedes aegypti females in the parental generation (FS0) and the deltamethrin-selected generations (FS1–FS5)

From: Impact of deltamethrin selection on kdr mutations and insecticide detoxifying enzymes in Aedes aegypti from Mexico

PopulationGenerationnaKCb μg/BRRc
KC50 (CI)KC90 (CI)bd ± SEP-valueKC50KC90
MeridaFS03451.85 (1.69–2.03)3.89 (3.27–4.63)2.95 (0.35)< 0.001208
FS14031.62 (1.45–1.82)4.65 (3.62–5.97)2.09 (0.21)< 0.0011810
FS25251.85 (1.63–2.09)6.75 (4.88–9.33)1.69 (0.19)< 0.0012014
FS35402.42 (2.04–2.85)15.19 (14.58–21.80)1.19 (0.10)< 0.0012733
FS44402.55 (2.17–3.00)12.79 (9.01–18.16)1.36 (0.13)< 0.0012827
FS54003.44 (2.93–4.04)14.84 (10.88–20.23)1.50 (0.15)< 0.0013832
ProgresoFS04900.54 (0.45–0.64)3.22 (2.26–4.60)1.23 (0.11)< 0.00167
FS15260.67 (0.60–0.79)3.00 (2.25–3.99)1.50 (0.13)< 0.00177
FS24171.78 (1.53–2.07)7.13 (4.84–10.50)1.58 (0.18)< 0.0012015
FS33951.57 (1.34–1.85)7.04 (4.93–10.03)1.47 (0.15)< 0.0011715
FS44392.13 (1.88–2.40)7.36 (5.47– 9.91)1.77 (0.19)< 0.0012316
FS53201.46 (1.27–1.68)5.63 (4.57–6.93)2.02 (0.22)< 0.0012313
HunucmaFS03550.34 (0.28–0.40)1.42 (1.03–1.96)1.16 (0.09)< 0.00133
FS14600.25 (0.21–0.29)1.25 (0.88–1.76)1.37 (0.12)< 0.00133
FS25970.33 (0.27–0.40)3.27 (2.13–5.01)0.96 (0.08)< 0.00147
FS33531.14 (0.90–1.45)10.19 (5.53–18.80)1.00 (0.12)< 0.0011322
FS42201.16 (1.06–1.26)1.93 (1.69–2.20)4.30 (0.62)< 0.001134
FS51800.75 (0.61–0.91)2.26 (1.62–3.16)1.98 (0.33)< 0.00185
HoctunFS05350.48 (0.41–0.56)1.85 (1.48–2.32)1.63 (0.14)< 0.00154
FS15350.23 (0.19–0.27)1.32 (0.97–1.80)1.35 (0.10)< 0.00123
FS24700.48 (0.38–0.61)5.73 (3.47–9.46)0.88 (0.08)< 0.001512
FS35080.57 (0.48–0.67)2.92 (2.13–3.99)1.34 (0.12)< 0.00166
FS43800.75 (0.65–0.86)2.61 (1.92–3.56)1.76 (0.23)< 0.00186
FS54400.94 (0.79–1.12)4.19 (3.09–5.66)1.47 (0.14)< 0.001109
Agua DulceFS05360.80 (0.76–0.84)1.44 (1.30–1.60)3.73 (0.30)< 0.00193
FS14801.06 (1.01–1.12)1.80 (1.62–2.01)4.15 (0.38)< 0.001124
FS23331.08 (1.00–1.16)1.99 (1.70–2.33)3.58 (0.45)< 0.001124
FS33131.06 (0.97–1.15)2.06 (1.74–2.44)3.32 (0.38)< 0.001124
FS43971.14 (1.05–2.03)2.42 (2.03–2.89)2.92 (0.32)< 0.001135
FS54401.09 (1.02–1.17)2.04 (1.79–2.33)3.53 (0.34)< 0.001125
Jose CardelFS04201.26 (1.21–1.34)2.18 (1.95–2.48)4.01 (1.18)< 0.001145
FS14291.47 (1.33–1.64)4.10 (3.28–5.12)2.15 (0.20)< 0.001169
FS24991.63 (1.51–1.75)3.73 (3.08–4.50)2.65 (0.28)< 0.001188
FS34001.68 (1.53–1.85)4.07 (3.35–4.95)2.48 (0.24)< 0.001199
FS44001.98 (1.74–2.24)6.68 (5.03–8.86)1.80 (0.19)< 0.0012214
FS53602.01 (1.79–2.26)5.68 (4.35–7.42)2.12 (0.23)< 0.0012212
New Orleans (NO)e4920.09 (0.08–0.11)0.46 (0.32-0.65)1.43 (0.13)< 0.001
  1. a sample size
  2. b KC: 50% and 90% knockdown concentrations in micrograms per bottle, 95% confidence intervals
  3. c RR: resistance ratio KC50 field strain/ KC50 susceptible strain
  4. d b: logistic regression slope (standard error)
  5. e New Orleans: susceptible reference strain