Table 1 Reproductive effects on surviving blood-fed susceptible An. gambiae Kisumu from wash-resistance cone bioassays.

From: Efficacy of Royal Guard, a new alpha-cypermethrin and pyriproxyfen treated mosquito net, against pyrethroid-resistant malaria vectors

 

Control

PPF Net

Wash point

Unwashed

Unwashed

1 wash

3 washes

5 washes

10 washes

15 washes

20 washes

25 washes

N observed

80

90

90

90

90

90

90

85

88

N females laying

58

0

0

8

40

27

41

44

44

N eggs

4,905

0

0

680

3,478

2,202

4,370

4,293

4,380

N larvae

2010

0

0

172

941

443

1,016

1,304

1589

% Ovipositing

73a

0b

0b

9c

44de

30e

46d

52d

50d

95% conf intervals

63–83

0–5

0–5

3–15

34–54

21–39

36–56

42–62

40–60

Hatch rate

41

–

–

25

27

20

23

30

36

Eggs/female laying

85

–

–

85

87

82

107

98

100

Egg/female observed

61

0

0

8

39

24

49

51

50

Larvae/female observed

25

0

0

2

10

5

11

15

18

% Oviposition inhibition

–

100

100

88

39

59

37

30

31

% Reduction in fecundity

–

100

100

88

37

60

21

18

19

% Reduction in offspring

–

100

100

92

58

80

55

39

28

  1. Values along a row bearing the same letter label are not significantly different (GLM, P > 0.05).
Back to article page