Number and frequency of Anopheles specimens collected in each village and for all villages in 2008 and 2009 and density peaks per village.

1, Number of Anopheles collected by CDC light traps in 10 houses per village once every 2 months from Feb. 2008 to Dec. 2009.2, χ2 values: between 82.1% and 73.2%, χ2 = 1.576 (p = 0.209, NS); between 82.1% and 77.7%, χ2 = 0.515 (p = 0.473, NS); between 77.7% and 73.2%, χ2 = 0.261 (p = 0.609, NS), (NS: non-significant).