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Egyptian Journal of Biological Pest Control

Table 2 Lethal time (LT50) for the four isolated EPN species against S. frugiperda

From: Susceptibility of the fall armyworm, Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera: Noctuidae), to four species of entomopathogenic nematodes (Steinernematidae and Heterorhabditidae) from Mizoram, North-Eastern India

Nematode concentrations

Host life stages

LT50 (h)

H. indica

H. baujardi

S. sangi

S. surkhetense

100 IJs/larva

Instar larvae

    

 3rd

15.99

16.12

14.33

17.64

 5th

21.74

28.98

28.90

32.39

400 IJs/pupa

Pupa

112.00

114.52

114.69

105.00

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