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Indian Journal of Entomology
Year : 2020, Volume : 82, Issue : 3
First page : ( 543) Last page : ( 546)
Print ISSN : 0367-8288. Online ISSN : 0974-8172.
Article DOI : 10.5958/0974-8172.2020.00135.2

Biology of fall army worm Spodoptera frugiperda (J. E. Smith) on artificial diets

Jaba Jagdish*, Sathish K, Mishra Suraj Prashad

International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, 502324

*Email: j.jagdish@cgiar.org (corresponding author)

Online published on 24 September, 2020.

Abstract

Fall army worm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) is one of the important invasive pests causing economic losses to maize, sorghum and other millets. This study aims to develop suitable cost-effective crop based artificial diet for its rearing and evaluates the biology under laboratory conditions. Study revealed that the least life cycle period (egg to adult) was obtained with sorghum+ chickpea based diet (D1: 31–39 days) as compared to sorghum based diet(D2: 37–44 days) and maize+ chickpea based diet (D3: 40–48 days). Fully developed larvae measured longer, broader and heavier when reared on D1, also the fecundity was maximum. A cheap artificial diet to rear S. frugiperda is thus developed in this study.

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Keywords

Spodoptera frugiperda, Artificial diet, Sorghum, Chickpea, Maize, Fecundity, Biology, Morphometrics, Length, Width, Weight, Lifecycle.

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