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Table 4 The lethal concentration (LC50 and LC90) of Steinernema siamkayai (IIVR JNC01 strain) and Heterorhabditis indica (NBAIIH38 strain) against lepidopteran pests at 2 days after treatment and eggplant ash weevil (Myllocerus subfaciatus Guerin.) at 7 days after treatment

From: Isolation, identification and biocontrol potential of entomopathogenic nematodes occurring in Purvanchal and Bundelkhand regions of Uttar Pradesh, India

Lepidopteran insect pests Entomopathogenic nematode species LC50 95% Fiducial limits LC90 95% Fiducial limits Slope ± SE χ2 P (< 0.05)
Spoladea recurvalis Steinernema siamkayai (IIVR JNC01 strain) 60 42–81 385 221–1300 1.58 ± 0.32 24.15 < 0.0001
Heterorhabditis indica (NBAIIH38 strain) 39 24–53 205 116–1244 1.78 ± 0.49 12.92 0.0003
Spodoptera litura Steinernema siamkayai (IIVR JNC01 strain) 20 11–28 68 52–109 2.46 ± 0.53 21.59 < 0.0001
Heterorhabditis indica (NBAIIH38 strain) 27 16–35 103 77–178 2.19 ± 0.42 26.97 < 0.0001
Spilosoma obliqua Steinernema siamkayai (IIVR JNC01 strain) 19 10–26 55 43–84 2.83 ± 0.65 18.79 < 0.0001
Heterorhabditis indica (NBAIIH38 strain) 20 11–25 43 35–65 3.83 ± 1.00 14.73 < 0.0001
Myllocerus subfaciatus Steinernema siamkayai (IIVR JNC01 strain) 105.51 49.9–150.3 519.74 369.8–1482 1.85 ± 0.44 12.91 0.0003
Heterorhabditis indica (NBAIIH38 strain) 95.04 335.9 2.33 ± 1.05 03.67 0.055