Figure 2

Anopheles density in the 20 villages of the study area during the cross-sectional study. Anopheles density measured in September 2008 by Night Landing Catches NLC (number of Anopheles/person/night, n = 5 person/night) and by Pyrethrum Spray Catches PSC (number of Anopheles /room/day, n = 4 room/day) in all villages according to the different species studied Anopheles funestus, Anopheles gambiae s.s. molecular form M, An. arabiensis, Anopheles pharoensis and Anopheles ziemanni).