Table 5 Contact toxicity of four flavonoids, eight fatty acids, four fatty acid esters, and two larvicides to third instar larvae from Aedes albopictus during a 24 h exposure

Karanjin (1)^b

35.26 (31.01–39.54)

3.1 ± 0.41

3.36

0.996

Oleic acid (3)^b

18.79 (16.23–21.33)

3.2 ± 0.41

2.25

0.994

Karanjachromene (2)^b

52.97 (46.52–60.17)

2.7 ± 0.41

5.45

0.963

Pongamol (5)^b

56.14 (49.50–64.69)

2.8 ± 0.33

8.42

0.815

Pongarotene (6)^b

64.97 (57.47–72.53)

3.1 ± 0.43

3.64

0.994

Elaidic acid

66.35 (58.70–74.21)

3.1 ± 0.43

3.86

0.992

Linoleic acid

68.92 (57.12–80.61)

3.0 ± 0.78

1.02

0.996

Linolenic acid

71.34 (59.95–84.19)

2.9 ± 0.78

1.06

0.995

Palmitic acid (4)^b

85.61 (78.31–93.69)

4.5 ± 0.63

2.47

0.991

Arachidic acid

95.01 (86.64–105.01)

3.5 ± 0.38

6.12

0.986

Behenic acid

105.41 (98.00–113.97)

4.9 ± 0.59

9.56

0.728

Stearic acid

>200

Methyl oleate

>200

Ethyl oleate

>200

Methyl linoleate

>200

Ethyl linoleate

>200

Temephos

0.010 (0.009–0.011)

4.1 ± 0.46

1.66

0.998

Fenthion

0.033 (0.025–0.046)

1.5 ± 0.29

1.82

0.997