Fall Armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) Biological Aspects as A New Alien Invasive Pest in Egypt

Walaa Gamil

doi:10.21608/eajbsa.2020.110344

Abstract

The present study may be the first attempt in Egypt which devoted to studying the biological aspects of fall armyworm, Spodoptera frugiperda (J.E. Smith). The study was conducted under laboratory conditions (26 ±1°C and 65 % R.H.) at the Department of Zoology, Faculty of Science, South Vally University, Qena Governorate, Egypt. The results included both hatchability (%) and incubation period (days) for egg stage; larval duration (days), pupation %, larval mortality %, malformed larvae %, and normal larvae % for the larval stage. While, the pupal duration, normal pupae %, malformed pupae %, pupal weight (gm), malformed pupae %, pupal mortality %, and emergence % for the pupal stage. Adult malformation %, sex ratio %, adult longevity (days), male longevity, female longevity, pre- oviposition period, oviposition period, post -oviposition period, fecundity (No. eggs/ ♂) and fertility % for the adult stage. The study of the biological aspects of the fall armyworm as a new invasive pest came to Egypt from the of South Africa countries is very important in order to determine the stages of life history to contribute to the planning IPM strategies for this dangerous pest in the absence of any local information about it

Highlights

It is native to tropical and subtropical regions of the Americas. It occurs in several countries such as Brazil, Argentina, and the USA (Prowell et al, 2004; Clark et al, 2007), causing economic losses in a variety of crops such as maize, soybean, cotton, and beans (Pogue, 2002; Nagoshi, 2007; Bueno et al, 2010) and number of field crops, such as rice, maize, and other grasses (Nabity et al, 2011)
The severe incidence of Fall Armyworm (FAW) was reported from African countries such as São Tomé, Nigeria, Bénin and Togo
The fall armyworm, Spodoptera frugiperda was first reported in Africa by Goergen et al, 2016)

Summary

Introduction

Spodoptera frugiperda, Fall armyworm, FAW, Biology, Biological aspects. After the emergence of moths, single male-female pairs were confined to oviposition glass cadge an incubator maintained at the temperature and conditions ascribed above. Fall Armyworm Spodoptera frugiperda Biological Aspects as A New Alien Invasive Pest in Egypt 191

Results

Conclusion