Pyriproxyfen for mosquito control: female sterilization or horizontal transfer to oviposition substrates by Anopheles gambiae sensu stricto and Culex quinquefasciatus

Table 2 Mean number of eggs laid by unexposed and pyriproxyfen-exposed An. gambiae s.s

Exposure time to PPF in relation to blood meal	Mean no. of eggs* (95% CI)	Odds ratio (95% CI)	p-value
72 hours after	49.4 (45.5-53.6)^a,c**	0.97 (0.86-1.09)	0.580
48 hours after	49.4 (46.4-52.6)^a,c	0.97 (0.88-1.07)	0.520
24 hours after	37.8 (32.3-44.2)^b,c	0.74 (0.62-0.90)	0.002
0.5 hours after	32.9 (27.9-38.7)^b	0.64 (0.53-0.79)	<0.001
0.5 hours before	40.0 (34.2-46.8)^a,b	0.78 (0.65-0.95)	0.010
24 hours before	40.3 (34.1-47.6)^a,b	0.79 (0.65-0.97)	0.019
48 hours before	45.0 (39.8-51.0)^a,b	0.88 (0.76-1.03)	0.110
Control	51.1 (47.9-54.4)^a	1

*Only females that laid eggs were included in analysis.
**Values without letters in common differ significantly (p < 0.05) in mean number of eggs laid.

ISSN: 1756-3305