Insecticide
|
Dosage (%)
|
Number tested
|
Mortality (%)
|
---|
P-methyl
|
0.025
|
40
|
98
|
P-methyl
|
0.05
|
40
|
100
|
P-methyl
|
0.25
|
40
|
100
|
Malathion
|
5
|
201
|
100
|
Permethrin
|
0.75
|
111
|
90
|
- Two- to five-day old sugar-fed offspring (F1) of Anopheles arabiensis collected from cattle-sheds in Lower Moshi were exposed for one hour in WHO cylinders lined with papers treated with diagnostic dosages of malathion and permethrin, and a range of dosages of p-methyl.