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Year : 2022, Volume : 17, Issue : 1
First page : ( 127) Last page : ( 129)
Print ISSN : 2229-628X. Online ISSN : 2582-2683. Published online : 2022 January 4.
Article DOI : 10.5958/2582-2683.2022.00025.9

Comparative biology of invasive fall armyworm, Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) on maize, castor and artificial diet

Krishnarao G.1, Misra H.P.1, Kumar P. Saravan2, Varun Y.B.2, Kamala Jayanthi P.D.2*

1Department of Entomology, College of Agriculture, OUAT, Bhubaneswar751003, Odisha

2Division of Entomology & Nematology, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake PO, Bangalore560089, India

*E-mail: jaiinsect@gmail.com

Received:  06  ,  2021; Accepted:  23  ,  2021.

Abstract

The study on biology of fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), conducted on different natural hosts (maize and castor) and artificial diet under laboratory conditions (26 ± 1° C, 75 to 80% RH) revealed host and diet dependent variations in biological parameters (incubation period: mean ± SE, 2.60 ± 0.09, 2.50 ± 0.09 and 2.83 ± 0.13 days; larval duration: mean ± SE, 17.03 ± 0.33, 18.53 ± 0.34 and 21.14 ± 0.20 days; pupal period: mean ± SE, 10.13 ± 0.24, 10.63 ± 0.23 and 11.40 ± 0.25 days; male adult longevity: mean ± SE, 8.30 ± 0.20, 8.10 ± 0.14 and 7.73 ± 0.13 days and female adult longevity: mean ± SE, 10.33 ± 0.19, 9.80 ± 0.14 and 9.76 ± 0.13 days on maize, castor and artificial diet, respectively. Differences were also noticed in the moth’s fecundity, pre-oviposition, oviposition, post-oviposition and the total life periods.

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Keywords

Fall armyworm, Maize, Castor, Artificial diet and biology.

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