From: Shifts in malaria vector species composition and transmission dynamics along the Kenyan coast over the past 20 years
Period
Number tested
% An. gambiae ss
% An. arabiensis
% An. merus
% An. quadriannulatus
1990 - 1995*
-
1997 - 1998
1,388
78.89
14.84
6.27
0.00
2002 - 2003
803
45.70
5.48
48.82
2007 - 2008
595
93.02
5.00
1.97