Table 5 Knock-down times of Ae. aegypti mosquitoes collected from different sites

Bendiocarb

Ifakara town

21.44 ± 4.52

28.68 ± 8.95

14.58 ± 6.28

30.26 ± 12.90

Katindiuka

16.89 ± 3.05

22.15 ± 6.17

22.85 ± 6.68

39.34 ± 13.45

Lipangalala

30.00 ± 5.82

41.16 ± 10.29

32.94 ± 8.04

53.86 ± 15.43

Mlabani

25.13 ± 6.94

42.28 ± 13.66

30.77 ± 6.48

44.18 ± 11.70

Viwanja sitini

28.91 ± 5.67

38.99 ± 10.08

39.77 ± 9.18

63.91 ± 18.76

Deltamethrin

Ifakara town

9.67 ± 3.56

14.11 ± 5.78

6.19 ± 5.9

17.16 ± 8.83

Katindiuka

11.45 ± 4.42

19.95 ± 7.65

12.00 ± 9.60

37.44 ± 18.07

Lipangalala

29.09 ± 46.16

31.59 ± 76.50

12.46 ± 3.44

18.52 ± 6.27

Mlabani

7.20 ± 4.58

12.30 ± 5.27

16.41 ± 13.99

59.19 ± 30.42

Viwanja sitini

7.12 ± 4.48

13.08 ± 5.75

17.64 ± 5.45

30.20 ± 11.55

Dieldrin

Ifakara town

36.02 ± 7.32

52.69 ± 13.26

75.43 ± 49.31

101.68 ± 103.19

Katindiuka

40.73 ± 7.56

57.80 ± 13.96

22.90 ± 8.44

47.57 ± 17.40

Lipangalala

43.32 ± 5.95

53.86 ± 10.68

85.57 ± 70.37

146.57 ± 154.15

Mlabani

70.90 ± 33.93

102.46 ± 75.05

40.21 ± 8.70

62.23 ± 17.21

Viwanja sitini

49.01 ± 6.89

62.59 ± 13.51

66.17 ± 370.89

70.70 ± 620.79

Permethrin

Ifakara town

12.69 ± 7.55

32.13 ± 14.93

7.20 ± 7.59

23.42 ± 12.58

Katindiuka

–

–

10.56 ± 8.14

30.66 ± 15.25

Lipangalala

8.52 ± 4.38

14.87 ± 5.95

12.28 ± 2.60

16.27 ± 4.68

Mlabani

29.83 ± 7.21

47.19 ± 13.58

9.54 ± 8.73

30.60 ± 15.78

Viwanja sitini

15.38 ± 4.41

24.73 ± 9.57

18.28 ± 3.17

23.45 ± 7.01

Pirimiphos-methyl

Ifakara town

75.66 ± 44.78

109.97 ± 95.41

71.03 ± 37.01

114.39 ± 83.36

Katindiuka

78.03 ± 50.32

125.04 ± 109

26.66 ± 7.90

48.30 ± 15.75

Lipangalala

79.14 ± 52.26

123.36 ± 111.14

32.36 ± 10.12

63.19 ± 22.59

Mlabani

60.00 ± 15.83

84.06 ± 38.22

43.72 ± 8.41

63.61 ± 16.69

Viwanja sitini

83.29 ± 102.4

108.97 ± 193.88

39.75 ± 14.95

84.60 ± 41.95