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Table 3 Effect of sub-lethal concentrations of neem and corn oil formulations on mean (± SD) and maximum (between brackets) adult An. gambiae s.s. longevity (in days).

From: Larvicidal effects of a neem (Azadirachta indica) oil formulation on the malaria vector Anopheles gambiae

Concentration (ppm) 8 4 2 Control
  Male Female Male Female Male Female Male Female
Neem† 17.6 ± 1.8
(26)
19.6 ± 1.7
(27)
19.4 ± 2.1
(26)
20.3 ± 2.1
(26)
20.9 ± 1.9
(26)
21.8 ± 1.6
(31)
22.1 ± 2.7
(38)
27.3 ± 2.4
(42)
Corn 25.1 ± 3.0
(38)
21.6 ± 2.6
(35)
24.6 ± 2.9
(38)
26.2 ± 2.9
(31)
21.2 ± 2.7
(38)
29 ± 1.9
(33)
  
  1. † Third and fourth instar larval stages were treated.