Fig. 4From: Adult mosquitoes of the sibling species Anopheles gambiae and Anopheles coluzzii exhibit contrasting patterns of susceptibility to four neonicotinoid insecticides along an urban-to-rural gradient in Yaoundé, CameroonMortality rates in An. gambiae female adults exposed to a discriminating concentration of a neonicotinoid. n = sample size, *Fisher’s exact test indicated a significantly lower mortality in the agricultural site compared to rural/sub-urban populations (p < 0.05)Back to article page