Figure 4From: Long-lasting control of Anopheles arabiensis by a single spray application of micro-encapsulated pirimiphos-methyl (Actellic® 300 CS)Mortality of Anopheles arabiensis after one-hour bioassay on experimental hut ceiling. One-hour cone bioassay of insectary-reared Anopheles arabiensis dondotha on palm thatch ceiling over time (months) after spray application.Back to article page