Morphology and life cycle of Spodoptera Frugiperda J.E Smith (Lepidoptera: Noctuidae) with soybean leaf feed (Glycine Max L) in the laboratory
Siti Hasry Ainun Arifin, Tamrin Abdullah, Sulaeha Sulaeha

Department of Plant Pests and Diseases,
Faculty of Agriculture,
University of Hasanuddin

Abstract

Soy (Glycine max L) is an important vegetable source of vegetable protein for the whole world. Wilis is one of the superior varieties in great demand among farmers. However, soybean production in recent years in Indonesia has declined. One of the causes is the presence of parasites which can cause losses both in quantity and quality. S. frugiperda is a serious pest that can attack 353 host plants from 76 plant families and one of them is the Fabaceae (soybean) family. This research was conducted at the laboratory and ex-farm of Hasanuddin University Faculty of Agriculture and took place from August to December 2020. S. frugiperda larvae were obtained from Sidenreng Rappang district , Watang Pulu district and corn plants in the experimental field of the Faculty of Agriculture. Developed and propagated in the laboratory to produce eggs which are used to observe the life cycle of S. frugiperda with soybean leaves as food. Biological observations were made, including the lifespan of each stage, the shape and size of the egg at the imago. The results of this study showed that the larvae of S. frugiperda consisted of six larval stages. The mean duration of eggs to hatching was 1.8 days, the duration of the larval stage was 18.78 days, the duration of the pre-pupa stage was 1.61 days, the duration of the pupal stage was 10 days and the lifespan of the male imago stage was 9.28 days, while the female imago was 13.73 days.

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Topic: Integrated pest and disease management