Fig. 2From: Insecticide susceptibility of natural populations of Anopheles coluzzii and Anopheles gambiae (sensu stricto) from Okyereko irrigation site, Ghana, West Africa Anopheles gambiae (s.l.) female from Okyereko knock-down rate after exposure time and 24Â h delayed mortality observed using organophosphate and carbamate insecticides. Error bars represent 95Â % confidence interval (CI)Back to article page