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Table 3 Emergence and emergence inhibition rates after exposure of second-instar larvae of Anopheles gambiae to the treatments

From: Impact of sunlight exposure on the residual efficacy of biolarvicides Bacillus thuringiensis israelensis and Bacillus sphaericus against the main malaria vector, Anopheles gambiae

N day post-treatment

Covered containers

Uncovered containers

Control

1 g/m2

1.5 g/m2

2 g/m2

Control

1 g/m2

1.5 g/m2

2 g/m2

0

 N

200

200

200

200

200

200

200

200

 NE

191

23

20

18

171

40

25

1

 ER (% [95% CI])

96 [92–100]

12 [8–16]

10 [7–13]

9 [6–12]

86 [80–92]

20 [15–25]

13 [9–17]

1 [0–2]

 EIR (%)

–

88

90

91

–

77

85

100

10

 N

120

120

120

120

120

120

120

120

 NE

108

76

56

74

106

98

100

110

 ER (% [95% CI])

90 [83–97]

63 [54–72]

47 [38–56]

62 [53–71]

88 [81–95]

82 [74–90]

83 [76–90]

92 [85–99]

 EIR (%)

–

30

48

31

–

8

6

0

21

 N

200

200

200

200

200

200

200

200

 NE

189

183

177

180

200

195

186

196

 ER (% [95% CI])

95 [91–99]

92 [88–96]

89 [85–93]

90 [86–94]

100 [98–100]

98 [96–100]

93 [91–95]

98 [95–100]

 EIR (%)

–

3

6

5

–

3

8

3

  1. N the number of larvae, NE the number of larvae emerged, ER the emergence rate, EIR the emergence inhibition rate
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Malaria Journal

ISSN: 1475-2875

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