Fig. 4From: Six years of experience in entomological surveillance of indoor residual spraying against malaria transmission in Benin: lessons learned, challenges and outlooksPercentage of blood feeding Anopheles gambiae collected in IRS by pyrethrum spray catch (PSC) and in exit windows traps in intervention area and the control. (aValue in the same district with the same superscript do not differ significantly by Fisher’s exact test (p >0.05)Back to article page