Figure 7From: Anopheles gambiae: historical population decline associated with regional distribution of insecticide-treated bed nets in western Nyanza Province, KenyaProportion of adult female A. gambiae s.l. mosquitoes collected west of Kisumu and identified as A. gambiae s.s. (top, black bars) or A. arabiensis (bottom, green bars). Data from 1970 through 2002 are compiled from published data (see Additional File 1), and data from 2003 onwards are from the current study.Back to article page