Figure 3
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1475-2875-7-189/MediaObjects/12936_2008_Article_664_Fig3_HTML.jpg)
View of the Gountou Yena stream. Picture taken in Niamey during early wet season (june 2008), showing the small stream surrounded by small-scale gardening areas (top-left) where kdr frequency within An. gambiae M form larvae was particularly high