The fall armyworm (FAW), Spodoptera frugiperda, is an invasive pest species in Africa and Asia, which is native to the Western hemisphere. Invaded FAW was corn feeding strain. We study the developmental and biology of the corn strain FAW on the rice plants compare the result with corn feeding up to F2- generation. The development periods of F0, F1 and F2 generations of the rice-fed colony were 21.7%, 18.3% and 18.9% longer than corn-fed colony. The rice-fed colony was significantly lower in the body weight of larvae and pupae, and pre-adult survival rate and the fecundity than corn-fed colony. Our results showed that the corn strain FAW can survive and complete its life cycle by feeding rice plants up to several generations under laboratory condition, but their development and fecundity were reduced in comparison to the corn feeding colony. However, this study suggests potential impact of invaded FAW to the infestation of rice fields in Asian countries.

• Sushant Raj Sharma(Department of Applied Biology, Kyungpook National University, Department of Plant Protection and Quarantine, Kyungpook National University) Corresponding author
• Lucas Mezione de Carvalho(Department of Applied Biology, Kyungpook National University, Department of Plant Protection and Quarantine, Kyungpook National University)
• Ji-Youn Lee(Department of Plant Protection and Quarantine, Kyungpook National University, Department of Agricultural Management, Chilgok Agricultural Technology Center)
• Kyeong-Yeoll Lee(Department of Applied Biology, Kyungpook National University, Department of Plant Protection and Quarantine, Kyungpook National University, School of Plant Medicine, Kyungpook National University)