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Table 2 Overall percentage mortality response of both Anopheles gambiae ss and Culex quinquefasciatus exposed in different concentrations (ppm) of S.terebinthifolia in both laboratory and semi field environments for 72 hours

From: Insecticidal activity of the essential oil from fruits and seeds of Schinus terebinthifolia Raddi against African malaria vectors

Study site

Mosquito species

Larval mortality (% mean mortality ± SE)

  

202.15 ppm

404.30 ppm

808.60 ppm

1617.20 ppm

2625.20 ppm

Laboratory

An. gambiae ss

13.75 ± 1.20

20.5 ± 1.61

92.91 ± 0.95

93.13 ± 0.96

97.91 ± 0.27

 

Cx. quinquefasciatus

0.5 ± 0.06

1.25 ± 0.15

74.37 ± 2.24

82.50 ± 1.89

96.75 ± 0.40

Chi-square test

 

χ 2 = 11.34,P < 0.001

χ 2 = 17.18, P < 0.001

χ 2 = 11.24, P < 0.001

χ 2 = 4.33, P = 0.047

χ 2 = 0.005, P = 0.862

Semi field

An. gambiae ss

44.13 ± 0.97

51.96 ± 1.08

62.61 ± 1.01

81.03 ± 1.00

90.64 ± 0.79

 

Cx. quinquefasciatus

30.78 ± 0.81

38.42 ± 0.96

50.88 ± 1.05

76.37 ± 1.21

89.54 ± 0.89

Chi-square test

χ2 = 3.25,P = 0.589

χ2 = 3.17, P = 0.062

χ 2 = 2.34,P = 0.172

χ 2 = 0.40, P = 0.420

χ 2 = 0.001, P = 0.817

  1. *Values are mean of five replicates in each dosage
  2. *SE: standard error