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Table 3 LC50 after 48 h treatment with non-irradiated and irradiated Steinernema scapterisci

From: Control of Culex pipiens (Diptera: Culicidae), the vector of lymphatic filariasis, using irradiated and non-irradiated entomopathogenic nematode, Steinernema scapterisci (Rhabditida: Steinernematidae)

Treatments

LC50

Index

RR

Fourth instar larvae treated with irradiated S. scapterisci

126 (108.5–145.6)

100

1

Third instar larvae treated with irradiated S. scapterisci

233 (190.9–301.3)

54.1

1.84

Fourth instar larvae treated with normal S. scapterisci

316.9 (251.1–444.3)

39.7

2.51

Third instar larvae treated with normal S. scapterisci

423 (325.8–634.8)

29.8

3.35

  1. Index and resistance ratio (RR) compared to fourth instar larvae treated with irradiated S. scapterisci