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Table 1 Larvicidal activity of oil extract of Leucas aspera against malaria, dengue, and filariasis vectors

From: Gas chromatography mass spectrometry analysis and larvicidal activity of leaf essential oil extract of Leucas aspera against dengue, malaria and filariasis vectors

Species

Concentration (ppm)

24 h % Mortality

LC50 (UCL–LCL) (ppm)

LC90 (UCL–LCL) (ppm)

r 2

An. stephensi

50

100

17.10 (20.56–14.21)

51.20 (58.49–47.19)

0.983

30

82

30

70

20

56

10

43

Ae. aegypti

50

100

15.59 (18.74–13.14)

46.77 (49.90–42.09)

0.944

30

93

30

74

20

63

10

49

C. quinquefasciatus

50

100

16.19 (19.70–12.18)

47.79 (45.91–40.05)

0.942

30

92

30

71

20

60

10

44

  1. Control—nil mortality
  2. LC50—lethal concentration of 50%
  3. LC 90—lethal concentration of 90%
  4. LCL lower confidence limit, UCL upper confidence limit