Safety evaluation of insecticides to the lady beetle, Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae), a major predator of mealybugs

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Authors

  • Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, GKVK, Bengaluru - 560065, Karnataka ,IN
  • ICAR-National Bureau of Agricultural Insect Resources, Hebbal, Bengaluru - 560024, Karnataka ,IN
  • Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, GKVK, Bengaluru - 560065, Karnataka ,IN
  • Department of Apiculture, College of Agriculture, University of Agricultural Sciences, GKVK, Bengaluru - 560065, Karnataka ,IN
  • Department of Entomology, Maharana Pratap University of Agriculture and Technology, Udaipur - 313001, Rajasthan ,IN

DOI:

https://doi.org/10.18311/jbc/2020/25163

Keywords:

Azadirachtin, Bioassay, Buprofezin, Dinotefuran, Phenacoccuss Solenopsis, Profenophos, Pymetrozine, Thiamethoxa.

Abstract

The present experiment was aimed at safety evaluation of different insecticides to Cryptolaemus montrouzieri Mulsant, a major predator of mealybugs. In order to understand the impact of chemical insecticides on this predator, different bioassays were carried out. The results of the study showed that the Percent mortality of C. montrouzieri at 24 HAT was highest in profenophos 50% EC (49.33%) followed by thiamethoxam (36.00%) and dinotefuran (30.67%). However, azadirachtin, buprofezin and pymetrozine were found comparatively safer insecticide to C. montrouzieri. Therefore, both of these insecticides, need to be evaluated further under different agro-climatic zones to confirm their suitability, for mealybug management in cotton ecosystem without adversely affecting the performance of C. montrouzieri.

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Published

2020-10-20

How to Cite

Nidheesh, T. D., Shylesha, A. N., Jayappa, A. H., Jagadish, K. S., & Sharma, K. (2020). Safety evaluation of insecticides to the lady beetle, <i>Cryptolaemus montrouzieri</i> Mulsant (Coleoptera: Coccinellidae), a major predator of mealybugs. Journal of Biological Control, 34(2), 153–157. https://doi.org/10.18311/jbc/2020/25163

Issue

Section

Research Articles
Received 2020-04-13
Accepted 2020-09-21
Published 2020-10-20

 

References

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