Host Preference and Population Dynamics of Holotrichia nagpurensis Khan and Ghai

Authors

  • Mayank Kumar Department of Entomology, College of Agriculture, G B Pant University of Agriculture and Technology, Pantnagar 263145, Uttarakhand
  • A. K. Pandey Department of Entomology, College of Agriculture, G B Pant University of Agriculture and Technology, Pantnagar 263145, Uttarakhand

DOI:

https://doi.org/10.55446/IJE.2021.17

Keywords:

Scarabaeidae, Holotrichia nagpurensis, Adults, Host Preference, Azadirachta indica, Population Dynamics, Weather Parameters, Relative Humidity, Correlation Coefficients.

Abstract

Holotrichia nagpurensis Khan and Ghai is a major white grub species of subfamily Melolonthinae. Its wide host range has been reported from different parts of India. An experiment was carried out to find host preference and population dynamics at three locations of Pantnagar in Terai region of Udham Singh Nagar District during 2018-19. Beetles were recorded from six host plants among which neem Azadirachta indica, was the major one. The p-value of two-way ANOVA between populations of three locations (0.0006<0.001) and from six hosts (0.0002<0.001) showed that there exists significant difference in distribution and feeding preference of H. nagpurensis on host plants. Among the hosts, A. indica was found to be the most preferred with maximum adult density (419 adults) and average 46.55 beetles/tree; and the multiple comparisons revealed a significant host preference. Correlation coefficients revealed that minimum relative humidity exhibits a negative relationship with beetle emergence.

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Published

2021-09-30

How to Cite

Kumar , M. ., & Pandey, A. K. (2021). Host Preference and Population Dynamics of <i>Holotrichia nagpurensis</i> Khan and Ghai. Indian Journal of Entomology, 84(3), 667–669. https://doi.org/10.55446/IJE.2021.17

Issue

Volume 84, Issue 3, September 2022

Section

Research Communications
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