Fig. 4
Enzyme activity for Aedes aegypti collected from Sri Lanka. a Glutathione-S-transferases. b Multifunction oxidases. Boxes include the mean (dark line), 10th, 25th, 75th and 90th percentiles. Asterisks indicate a significant difference between the New Orleans and the corresponding strain by a t-test pairwise comparison with pooled SD (*P < 0.05, **P < 0.005, ***P < 0.0005)