Table 1

Percentage mortalities of Anopheles culicifacies and Anopheles subpictus populations to different insecticides (n > 100 for each value)

Anuradhapura
 Kurunegala
 Moneragala
 Puttalam
 Trincomalee


Ac
 As
 Ac
 As
 Ac
 As
 Ac
 As
 Ac
 As
4% DDT
 34
 20
 4
 14
 62
 30
 24
 47
 22
 19
5% Malathion
 39
 39
 100
 49
 47
 27
 30
 23
 30
 30
1% Fenitrothion
 88
 60
 100
 62
 60
 40
 100
 48
 78
 40
0.1% Propoxur
 100
 92
 100
 84
 100
 93
 100
 85
 100
 86
0.1% λ-cyhalothrin
 100
 65
 100
 58
 100
 100
 100
 85
 100
 100
0.25% Permethrin
 50
 30
 85
 65
 65
 67
 87
 67
 23
 25
0.025% Deltamethrin
 100
 88
 100
 86
 7
 84
 100
 92
 97
 88
0.1% Cypermethrin
 100
 100
 100
 100
 100
 100
 100
 100
 100
 100
0.15% Cyfluthrin
 100
 100
 100
 100
 100
 100
 100
 100
 100
 100
0.1% Etofenprox
 95
 27
 89
 67
 85
 62
 85
 74
 90
 100

Ac = An. culicifacies

As = An. subpictus.

Mortality 98%–100% indicates susceptibility, 97%–80% suggests possibility of resistance that needs verification, < 80% indicate resistant [11].

Perera et al. Malaria Journal 2008 7:168   doi:10.1186/1475-2875-7-168

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