Table 1 Percentage mortality observed in WHO susceptibility tests carried out on wild caught members of the A. funestus group in Burma Valley and Zindi, Zimbabwe

0.05 % lambda-cyhalothrin (pyrethroid)

Burma Valley

47

6.5

R

Zindi

20

0

R

P value (between sites)

–

0.35

–

0.05 % deltamethrin (pyrethroid)

Burma Valley

31

12.9

R

Zindi

ND

–

–

P value (between sites)

–

–

–

0.5 % etofenprox (pseudo-pyrethroid)

Burma Valley

33

3

R

Zindi

39

15.4

R

P value (between sites)

–

0.21

–

0.1 % bendiocarb (carbamate)

Burma Valley

38

21.1

R

Zindi

43

2.3

R

P value (between sites)

–

0.67

–

4 % DDT (organochlorine)

Burma Valley

36

100

S

Zindi

30

100

S

P value (between sites)

–

0.50

–

1 % pirimiphos-methyl (organophosphate)

Burma Valley

30

100

S

Zindi

34

100

S

P value (between sites)

–

0.50

–

Control

Burma Valley

35

0

–

Zindi

30

0

–

P value (between sites)

–

0.50

–