Indian Journal of Entomology

Open Access
SCOPUSWeb of Science
  • Year: 2025
  • Volume: 87
  • Issue: 3

Population Dynamics of Larvae of Fall Army Worm Spodoptera frugiperda (J E Smith) in Maize

  • Author:
  • Akhileshwar Vishwakarma1,*, Rajnish Kumar1, Buts Kumar Gourav1, Ajeet Kumar Singh1
  • Total Page Count: 2
  • Published Online: Dec 17, 2025
  • Page Number: 662 to 663

1Department of Entomology, Baba Raghav Das Post Graduate College, Deoria274001, Uttar Pradesh, India

Abstract

The present study was conducted during kharif 2022 at the Agricultural Research Farm, Baba Raghav Das Post Graduate College, Deoria. The variety Vivek Maize hybrid 53 was sown with a spacing of 45 × 20 cm. The result revealed that the fall army worm Spodoptera frugiperda (J E Smith) larvae appeared in the field during 5th week of August (35th SMW)-1.67 larvae/ plant and reached peak during 3rd week of October (42nd SMW)- 4.16 larvae/ plant. The correlation studies revealed that the weather parameters viz. maximum and minimum temperature, maximum and minimum relative humidity and rainfall were negatively correlated with the incidence.

Keywords

Maize, Spodoptera frugiperda, Fall Army Worm, Population Dynamics, Correlation, Regression, Multiple Linear Regression, Larva, Kharif, Insect, Pests, Whorl, Standard Week