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Table 4 Summary of cone bioassay tests on nets collected from the field. 100 adult females were tested on each treatment.

From: An experimental hut evaluation of Olyset® nets against anopheline mosquitoes after seven years use in Tanzanian villages

 

Untreated net

New alphacypermethrin

1.5 year alphacypermethrin

New Olyset

7 year Olyset

An. gambiae Kisumu strain

     

% Knockdown at 60 min

0a

88b

70c

75c

56d

% Mortality after 24 hours

0a

84b

87b

99c

89b

Cx. quinquefasciatus Masimbani strain

     

% Knockdown at 60 min

1a

1a

0a

5a

0a

% Mortality after 24 hours

0a

2ab

9cd

17c

7bd

  1. Numbers in the same row sharing a letter superscript do not differ significantly (P > 0.05)