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Table 3 Relationship between mean mosquito mortality rate and pH of the tested surfaces

From: The impact of different sprayable surfaces on the effectiveness of indoor residual spraying using a micro encapsulated formulation of lambda-cyhalothrin against Anopheles gambiae s.s.

Substrate type

Mean pH

No. of mosquitoes exposed over 10 time points*

Mean mortality

Std. deviation

Burnt Bricks

7.64

400

18

±1.631

Cement Blocks

10.3

400

14

±4.989

Oil Paint

10.28

400

14

±4.124

Mud daub

7.71

400

13

±3.829

White wash

11.5

400

14

±3.771

Palm thatch

5.95

400

19

±1.338

Limestone Blocks

10.21

400

13

±5.675

Wood

7.3

400

20

±0.733

Whatman® paper (standard)

7

400

20

±0.0

  1. *2 replicates of 20 mosquitoes per time period.