Table 5 Kaplan-Meier pair wise comparisons of the median survival times (MST) of An. gambiae s.s. females exposed to surfaces 1, 14 and 28 d after treatment with different concentrations (2 × 10⁹, 2 × 10¹⁰ and 4 × 10¹⁰ conidia m^-2) of B. bassiana I93-825.

2 × 10 ⁹

2 × 10 ¹⁰

4 × 10 ¹⁰

14 d

28

1 d

Control

χ² = 5.73

χ² = 20.48

χ² = 16.50

χ² = 0.08

χ² = 0.01

p < 0.001*

p < 0.001*

p < 0.001*

p = 0.77

p = 0.32

2 × 10⁹

χ² = 7.03

χ² = 5.01

χ² = 0.61

χ² = 4.09

p < 0.001*

p < 0.001*

p = 0.44

p < 0.001*

2 × 10¹⁰

χ² = 0.24

χ² = 1.74

χ² = 6.36

p = 0.63

p = 0.19

p < 0.001*

4 × 10¹⁰

χ² = 0.09

χ² = 6.03

p = 0.77

p < 0.001*

14 d

Control

χ² = 29.08

χ² = 52.46

χ² = 49.02

χ² = 0.43

p < 0.001*

p < 0.001*

p < 0.001*

p = 0.54

2 × 10⁹

χ² = 4.23

χ² = 7.04

χ² = 5.12

p < 0.001*

p < 0.001*

p < 0.001*

2 × 10¹⁰

χ² = 0.37

χ² = 1.79

p = 0.54

p = 0.18

4 × 10¹⁰

χ² = 0.40

p = 0.53

28 d

Control

χ² = 47.61

χ² = 34.67

χ² = 55.76

p < 0.001*

p < 0.001*

p < 0.001*

2 × 10⁹

χ² = 7.56

χ² = 4.92

p < 0.001*

p < 0.001*

2 × 10¹⁰

χ² = 0.249

p = 0.11

4 × 10¹⁰