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Table 2 Emergence and emergence inhibition rates after exposure of first-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

200

17

10

14

200

118

33

10

 ER (% [95% CI])

100 [98–100]

9 [5–13]

5 [3–7]

7 [4–10]

100 [98–100]

59 [52–66]

17 [12–22]

5 [2–8]

 EIR (%)

–

92

95

93

–

42

84

95

6

 N

200

200

200

200

200

200

200

200

 NE

200

21

40

32

200

186

110

145

 ER (% [95% CI])

100 [98–100]

11 [7–15]

20 [15–25]

16 [12–20]

100 [98–100]

93 [89–97]

55 [48–62]

73 [66–80]

 EIR (%)

–

90

80

84

–

7

45

28

12

 N

200

200

200

200

200

200

200

200

 NE

200

88

92

60

200

195

182

161

 ER (% [95% CI])

100 [98–100]

44 [37–51]

46 [39–53]

30 [24–36]

100 [98–100]

98 [94–100]

91 [86–96]

81 [74–88]

 EIR (%)

–

56

54

70

 -

3

9

20

  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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