Table 3 Dose–mortality response of third, fourth and fifth-instar larvae of S. frugiperda to H. indica strains at 72 and 96 h after treatment (n = 50) under laboratory conditions expressed as lethal concentration (LC)

7

2.55 ± 0.22

12.95

48.91 (38.34–59.91)

155.57 (119.02–235.71)

215.96 (156.50–364.41)

2.48 ± 0.21

5.82

35.16 (29.89–40.43)

115.86 (98.05–143.01)

162.45 (132.83–211.49)

7

2.40 ± 0.21

16.38

52.36 (39.44–66.31)

178.83 (129.39–310.93)

253.32 (171.46–509.25)

2.18 ± 0.20

9.48

33.21 (25.22–41.13)

128.64 (99.57–186.39)

188.83 (138.24–304.10)

7

1.75 ± 0.19

5.77

71.04 (60.14–84.21)

383.54 (273.63–633.21)

618.58 (408.72-1153.98)

1.70 ± 0.18

3.92

55.64 (46.38–65.90)

316.67 (230.55–503.79)

518.43 (349.61–931.73)

7

2.21 ± 0.20

4.24

21.65 (17.30–25.91)

82.10 (68.55–102.84)

119.80 (96.42–159.66)

2.07 ± 0.22

4.59

13.788 (10.06–17.41)

57.41 (47.24–72.96)

86.03 (68.27–117.50)

7

2.13 ± 0.20

4.24

25.46 (20.54–30.30)

101.89 (84.47–129.38)

150.96 (120.08–205.07)

1.62 ± 0.19

4.64

14.15 (9.48–18.73)

88.00 (69.54–120.39)

147.73 (109.66–227.64)

7

1.71 ± 0.18

8.36

59.20 (46.63–74.05)

331.55 (221.25–650.29)

540.32 (328.02–1262.60)

1.68 ± 0.18

7.51

41.82 (32.02–52.02)

242.11 (170.79–419.46)

398.31 (257.36–808.50)