Plant species

Mosquito species

LC50 (ppm)a

LC90 (ppm)b

FL(LC50)

FL (LC90)

Lower limit

Upper limit

Lower
limit

Upper   limit

Pongamia pinnata

Ae. aegypti

18.35

32.78

12.17

70.61

4.66

51.30

C. quinquefasciatus

26.21

53.35

6.056

94.01

29.59

82.51

Croton tiglium

Ae. aegypti

82.08

213.59

38.84

117.83

184.29

259.06

C. quinquefasciatus

104.38

371.97

82.64

117.28

309.79

475.32

Cascabela thevetia

Ae. aegypti

95.19

267.73

10.66

175.60

183.49

675.53

C. quinquefasciatus

140.99

428.86

104.80

177.19

362.73

534.36

Ricinus communis

Ae. aegypt

80.83

424.50

28.61

122.52

352.22

545.55

C. quinquefasciatus

113.22

601.11

43.82

260.15

403.54

1405.32

Datura stramonium

Ae. aegypt

88.69

351.97

32.08

134.14

295.33

443.88

C. quinquefasciatus

92.12

471.05

55.30

124.54

389.28

609.92

Azadirachta indica

Ae. aegypti

23.644

75.672

36.221

119.142

66.392

163.859

C.quinquefasciatus

54.777

112.868

67.590

138.445

90.809

185.507

Table 2: Larvicidal activity of crude seed extracts against fourth instars larvae of Aedes aegypti and Culex quinquefasciatus.