Table 1.

Laboratory bioassays results of Bs and Bti WDG/WG against third instar larvae of Anopheles gambiae s.s. after 24 h exposure (lethal concentrations (LC) in p.p.m.)

WDG/WG Formulations	LC50 (95% CI)	LC95 (95% CI)	Slope (SE)	c2 (d.f.)
VectoLex (650 BsITU/mg)	0.004 (0.003<LC<0.005)	0.023 (0.016<LC<0.042)	2.208 (0.112)	123.518 (25)
VectoBac (3000 ITU/mg)	0.039 (0.033<LC<0.047)	0.132 (0.100<LC<0.199)	3.110 (0.141)	140.513 (23)

CI, confidence interval; SE, standard error; d.f., degrees of freedom