Studies on natural enemies associated with pod fly, Melanagromyza obtusa (Malloch) (Diptera: Agromyzidae) on pigeonpea and their correlation with weather parameters

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Authors

  • MANOJ KUMAR SINGH
     Department of Zoology, Lovely Professional University, Phagwara – 144411, Punjab ,IN
  • SUNIL KUMAR DWIVEDI
     Department of Entomology, Lovely Professional University, Phagwara – 144411, Punjab ,IN
  • JATINDER SINGH
     Department of Horticulture, Lovely Professional University, Phagwara – 144411, Punjab ,IN

DOI:

https://doi.org/10.18311/jbc/2024/42998

Keywords:

Melanagromyza obtusa, parasitoids, pigeonpea, weather parameters

Abstract

The current study shows the presence of two major hymenopteran parasitoids viz., Euderus lividus (Ashmead) and Ormyrus orientalis (Walker) on the pigeonpea major pest, Melanagromyza obtusa (Malloch). The major activity of the pigeonpea pest started with the inception of pod formation and sustained at different levels, throughout the crop’s reproductive cycle. The first appearance of M. obtusa larvae and pupa was observed in the 41st Standard Meteorological Week (SMW). The maximum larval and pupal populations of 52.00 and 49.00 per 100 pods were noticed in the 44th and 50th SMW. The parasitism level of E. lividus and O. orientalis declined from 31.82 to 10.53% in the 46th to 52nd SMW and 25.64 to 3.22% in the 47th to 1st SMW. Analysis of the correlation between weather parameters with pod fly larvae and pupae showed that the larval population exhibited a significant positive correlation with maximum temperature (r = 0.646*) while the pupal population showed a non-significant positive correlation with maximum temperature (0.198). These findings provide important insights into the host preferences and effectiveness of these parasitoids, providing essential knowledge for potential use in biological control strategies against agricultural pests.

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Published

2023-06-28

How to Cite

SINGH, M. K., DWIVEDI, S. K., & SINGH, J. (2023). Studies on natural enemies associated with pod fly, <i>Melanagromyza obtusa</i> (Malloch) (Diptera: Agromyzidae) on pigeonpea and their correlation with weather parameters. Journal of Biological Control, 38(2), 191–196. https://doi.org/10.18311/jbc/2024/42998

Issue

Volume 38, Issue 2, 2024

Section

Research Articles

License

Copyright (c) 2024 MANOJ KUMAR SINGH (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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Received 2024-03-22
Accepted 2024-04-18
Published 2023-06-28

 

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