Biologi Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) pada Pakan Buatan
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Date
2021-09-15
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KOMISI NASIONAL SUMBER DAYA GENETIK
Abstract
Spodoptera frugiperda, fall army worm (Lepidoptera: Noctuidae) is a new invasive pest in Indonesia that was discovered in early 2019. This pest had attacked corn plants in the several areas in Indonesia. The objective of this research was to study some aspects biologyof S. frugiperda on artificial diet, such as life cycle, egg incubation period, and female fecundity fed by artificial diet. This research was conducted in under laboratory condition using the observation method. The results showed that life cycle of S. frugiperda was 38+0,20 days; egg incubation period 3,25+0,66; first instar larvae 2,08±0,27 days; second instar larvae 2,42±0,60 days; third instar larvae 1,77±0,51 days; fourth instar larvae 2,11±0,31 days; fifth instar larvae 2,14±0,37 days, sixth instar larvae 3,83±0,74 days; prepupae 1,41±0,49 days; and pupae 8,78±0,91 days. The age of male 5-6 (5,09±0,29) days and female 5-6 (5,12±0,32) days. Female can produce 228±185 eggs during its life. The larvae weight and pupae were observed to 0,338±0,11 and 0,193±0,02 gr, respectively. The sex ratio of S. frugiperda male: female was 1,29: 1. The artificial diet used in this study can be used for propagation of S. frugiperda in the laboratory, and performed shorter lenght of the life cycle of S. frugiperda compared to mass rearing with natural diet.
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Keywords
Artificial diet, fall army worm, fecundity, life cycle, Spodoptera frugiperda