Figure 4From: Anopheles gambiae: historical population decline associated with regional distribution of insecticide-treated bed nets in western Nyanza Province, KenyaProportion of A. gambiae s.l. adult females and larvae that were identified as A. gambiae s.s. (top, black bars) or A. arabiensis (bottom, green bars) from Asembo and Seme in 2003, 2005 (adults only), 2006 (larvae only), 2007, and 2008.Back to article page