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Table 3 Mortality of mosquitoes to IRS chemical treatments in experimental huts (n = 36 nights)

From: Indoor residual spraying with microencapsulated DEET repellent (N, N-diethyl-m-toluamide) for control of Anopheles arabiensis and Culex quinquefasciatus

  Untreated control DEET Lambda-cyhalothrin Permethrin Pirimiphos methyl DDT
Anopheles arabiensis       
Total females dead 13 298 265 319 263 237
Mortality corrected for control (%) - 74bd 68c 69bc 78d 73bcd
Unfed mortality 9a (5–16) 85bc (75–92) 80b (71–86) 82b (69–90) 88c (82–93) 85bc (77–91)
Blood fed mortality 5a (2–14) 71bc (55–83) 63b (48–76) 59b (37–78) 81c (70–89) 66b (57–74)
Culex quinquefasciatus       
Total females dead 6 34 27 47 51 70
Mortality corrected for control (%) - 24b 39bd 51cd 63c 65c
Unfed mortality (95% CI) 4a (1–17) 33b (23–45) 49bc (30–68) 63cd (47–76) 71d (53–85) 77d (65–86)
Blood fed mortality (95% CI) 5a (1–22) 20b (9–41) 32bc (15–55) 29bc (12–57) 55c (26–81) 45c (22–71)
  1. Numbers in the same row sharing a letter superscript do not differ significantly (P > 0.05).