Observed presence and absence points and map of the estimated environmental suitability for An. plumbeus. A- Presence and absence observed during the National Mosquito Survey program carried out from April to October 2010–2013. B- Environmental suitability map of An. plumbeus produced using classification random forest. Environmental suitability is depicted using a gradient fill: blue indicates low environmental suitability, red indicates high suitability. Locations where other surveys took place are also shown on the map (black squares).