Residual Toxicity of Neem-Based Insecticides against Egg Parasitoid Trichogrammatoidea bactrae Nagaraja

Authors

  • Jasti Sri Vishnu Murthy Biological Control Laboratory, Department of Agricultural Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola 444001, Maharashtra
  • N. S. Satpute Biological Control Laboratory, Department of Agricultural Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola 444001, Maharashtra
  • D. B. Undirwade Biological Control Laboratory, Department of Agricultural Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola 444001, Maharashtra
  • S. K. Bhalkare Biological Control Laboratory, Department of Agricultural Entomology, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola 444001, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2024.1592

Keywords:

Trichogrammatoidea bactrae, neem-based insecticides, coating, residue, contact toxicity, azadirachtin, EC, neem seed oil, need seed extract, adult mortality

Abstract

A study was carried out with neem-based insecticides, viz., azadirachtin (0.03%EC, 0.15%EC, 0.3%EC, 1%EC), neem seed oil (1, 2 and 3%), neem seed extract 5% and dashparni ark (ten plant leaf extract) 4%, on Trichogrammatoidea bactrae Nagaraja (Hymenoptera: Trichogrammatidae) adults using the thin film residue method under laboratory conditions. After coating glass vials with neem-based insecticides, the adults of T. bactrae were released on the first, fifth, and tenth days of coating and the mortality was assessed. Among all neem-based insecticides, azadirachtin 1%EC was observed to be harmful to adults of T. bactrae on the first, fifth and tenth days. In contrast, neem seed extract 5% and dashparni ark 4% were found safe.

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Published

2024-02-01

How to Cite

Vishnu Murthy, J. S., Satpute, N. S., Undirwade, D. B., & Bhalkare, S. K. (2024). Residual Toxicity of Neem-Based Insecticides against Egg Parasitoid <i>Trichogrammatoidea bactrae</i> Nagaraja. Indian Journal of Entomology, 1–3. https://doi.org/10.55446/IJE.2024.1592

Issue

Online First

Section

Research Communications
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Europe PMC

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