Table 1

Age-group classification of Anopheles gambiae s.l. females before and after a single application of ASB (control) or ATSB (experimental treatment) on local vegetation

Site and time

Females examined

% females by observed numbers of dilatations in dissections of ovaries

0

1

2

3

4

5

6

7

> 8

Control pre-treatment

200

25.5

23.5

14.5

8

7

4.5

4

3.5

9.5

Control post-treatment

200

12.5

14

16

10

10.5

6.5

9

7

14.5

Experimental pre-treatment

200

23

16.5

12.5

11

8.5

5.5

6

5.5

11.5

Experimental post- treatment

200

52

24.5

9.5

8

3

1.5

0.5

0

1

The difference between the proportion of females with more than 3 gonotropic cycles in the experimental site before and after treatment was significant (z = 7.185; p < 0.05).

Müller et al. Malaria Journal 2010 9:210   doi:10.1186/1475-2875-9-210