Biosafety of Botanicals to Trichogrammatoidea bactrae Nagaraja


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



Trichogrammatoidea bactrae, parasitization, Corcyra cephalonica, azadirachtin, neem seed oil, adult emergence, dashparni ark, neem seed extract, biosafety, bioassay


Bioassay was conducted with nine botanical extracts at various concentrations viz., azadirachtin 300ppm, 1500ppm, 3000ppm, 10000ppm, neem seed oil 1%, 2%, 3%, neem seed extract 5% and dashparniark 4% on Trichogrammatoidea bactrae Nagaraja (Hymenoptera: Trichogrammatidae) in completely randomized design. Assessment of these on % parasitization, reduction in parasitism and adult emergence of T. bactrae on Corcyra eggs was done. The results revealed that dashparniark (ten plant leaves extract) 4% was found safer with maximum parasitization (53.3%) and minimum reduction in parasitization (27.9%). Azadirachtin 10000ppm was found harmful resulting in reduced parasitization (12.6%) and adult emergence (32.6%); and maximum reduction in parasitism (82.9%) on Corcyra eggs was observed. Maximum % adult emergence was recorded when parasitized eggs were treated with neem seed oil 1% (64.3%).


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How to Cite

Murthy, . J. S. . V. ., Satpute, N. S., Undirwade, D. B., & Bhalkare , S. K. . (2023). Biosafety of Botanicals to <i>Trichogrammatoidea bactrae</i> Nagaraja . Indian Journal of Entomology, 86(1), 271–274.



Research Communications


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