Skip to main content

Table 7 Estimated blood feeding (%) three, six, nine and twelve months after spraying for wild mosquitoes collected in insecticide treated huts

From: Long-lasting control of Anopheles arabiensis by a single spray application of micro-encapsulated pirimiphos-methyl (Actellic® 300 CS)

Insecticide Substrate 3 months 6 months 9 months 12 months
   Blood fed (%) BFI (%) Blood fed (%) BFI (%) Blood fed (%) BFI (%) Blood fed (%) BFI (%)
   (95% CI)   (95% CI)   (95% CI)   (95% CI)  
Untreated control Mud 90 - 81 57 93
   (87 to 93)   (77 to 85)   (52 to 63)   (86 to 100)  
P-methyl EC Mud 69 24 52 36 33 43 67 29
   (64 to 74)   (47 to 57)   (28 to 37)   (49 to 84)  
P-methyl CS B Concrete 71 22 49 40 32 44 84 9
   (66 to 76)   (44 to 54)   (28 to 37)   (73 to 96)  
  Mud 66 26 50 39 31 46 47 49
   (61 to 72)   (44 to 55)   (26 to 35)   (26 to 69)  
P-methyl CS BM Concrete 68 24 48 41 29 49 63 33
   (63 to 73)   (43 to 53)   (25 to 33)   (45 to 81)  
  Mud 67 26 49 39 31 46 63 32
   (61 to 72)   (44 to 54)   (27 to 35)   (44 to 82)  
  1. Estimates are adjusted for sleeper and account for similarities among mosquitoes entering huts on the same day and potential behavioural clustering. BFI = blood-feeding inhibition compared to the untreated control.