Residual Toxicity of Insecticides to Egg Parasitoids of Spodoptera frugiperda (J E Smith)

Authors

  • Mahajan Renuka S. Biocontrol laboratory, Department of Agricultural Entomology, College of Agriculture, Latur 413512 Maharashtra
  • Bhamare V. K. Biocontrol laboratory, Department of Agricultural Entomology, College of Agriculture, Latur 413512 Maharashtra

DOI:

https://doi.org/10.55446/IJE.2023.1203

Keywords:

Trichogramma chilonis, T. pretiosum, T. remus, LC50, insecticides, residual toxicity, moderately toxic, slightly toxic, dangerous, egg parasitoids, invasive pest, Spodoptera frugiperda, Corcyra cephalonica, risk quotients

Abstract

A laboratory study was carried out to assess the residual toxicity of certain insecticides to egg parasitoids of Spodoptera frugiperda (J E Smith), Trichogramma chilonis Ishii, T. pretiosum Riley (Hymenoptera: Trichogrammatidae), and Telenomus remus Nixon (Hymenoptera: Scelioniadae). The median lethal concentrations were recorded at 24 and 48 hr after exposure period to adults of egg parasitoids to nine insecticides. Among the tested spinetoram was found to be “dangerous”, however, chlorantraniliprole, chlorantraniliprole + lambdacyhalothrin, chlorpyriphos + cypermethrin, indoxacarb, cyantraniliprole, emamectin benzoate, thiamethoxam + lambdacyhalothrin and azadirachtin were found to be “slightly to moderately toxic” to T. chilonis and T. pretiosum. Chlorantraniliprole, emamectin benzoate, indoxacarb and spinetoram were found to be “dangerous”, however, chlorpyriphos + cypermethrin, thiamethoxam + lambdacyhalothrin, chlorantraniliprole + lambdacyhalothrin, cyantraniliprole and azadirachtin were “slightly to moderately toxic” to T. remus.

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Published

2023-12-01

How to Cite

S., M. R., & V. K., B. (2023). Residual Toxicity of Insecticides to Egg Parasitoids of <i>Spodoptera frugiperda</i> (J E Smith). Indian Journal of Entomology, 85(4), 903–907. https://doi.org/10.55446/IJE.2023.1203

Issue

Volume 85, Issue 4, December 2023

Section

Research Articles
Crossref
Scopus
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Europe PMC

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