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Table 1 Mortality percentage by different concentrations and comparative toxicity of Heterorhabditis sp. strains (TAN5 and PGN6) after 5 days of treatments against larvae and pupae of Spodoptera littoralis and Agrotis ipsilon

From: Efficacy of the entomopathogenic nematode isolates against Spodoptera littoralis (Boisduval) and Agrotis ipsilon (Hufnagel) (Lepidoptera: Noctuidae)

Con./cup (IJs/cup)

Spodoptera littoralis

Agrotis ipsilon

Larvae

Pupae

Larvae

Pupae

TAN5

PGN6

TAN5

PGN6

TAN5

PGN6

TAN5

PGN6

500

20

16

10

6

24

18

16

14

1000

40

32

26

22

44

40

32

26

2000

62

54

48

38

62

56

48

40

4000

84

76

60

56

100

76

66

62

8000

100

92

76

70

100

96

80

72

Average

61.2

54

44

38.4

66

57.2

48.4

42.8

Slope

2.0055

1.8860

1.4390

1.4406

1.6753

1.7360

1.5069

1.4108

LC50

1339.099

1731.973

2531.605

3312.720

1285.527

1560.747

2156.3955

2831.470