Novel records of parasitoids targeting fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), in rice-corn-based cropping systems in the Philippines
DOI:
https://doi.org/10.18311/jbc/2024/36513Keywords:
Brachymeria lasus, Copidosoma floridanum, parasitoid, Spodoptera frugiperdaAbstract
In the Philippines, the Fall Armyworm (FAW) was initially documented infesting corn in June 2019 and rice in May 2021. Relying on commercially available insecticides as the primary, if not exclusive, management strategy raises concerns about potential issues arising from FAW developing resistance to these chemicals, and the associated risks these insecticides pose to non-target organisms and the environment. To address these challenges, it is imperative to explore potential naturally occurring indigenous biological control agents and entomopathogens of the FAW. Regular field samplings and monitoring of FAW and its natural enemies were systematically conducted in selected municipalities of Central and Northern Luzon, as well as the Cagayan Valley regions of the Philippines. FAW larvae suspected of parasitization were collected from the field and subsequently reared in the laboratory for parasitoid emergence and other natural enemies. The parasitoids that emerged were sent to the Centre for Agriculture and Biosciences International United Kingdom (CABI UK) Diagnostic and Advisory Service for identification. Two hymenopteran parasitoids, Brachymeria lasus Walker (Family: Chalcididae) and Copidosoma floridanum (Ashmead) (Family: Encyrtidae), were identified from the lab-reared FAW larval samples. These two FAW parasitoids are new records in the Philippines and elsewhere.
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Copyright (c) 2024 EVELYN M. VALDEZ, RAVINDRA C. JOSHI, GENARO S. RILLON, KENNEDY B. DELA CRUZ, DINDO KING M. DONAYRE, EDWIN C. MARTIN, FEMIA R. SANDOVAL, EDUARDO JIMMY P. QUILANG, MUHAMMAD FAHEEM, SIVAPRAGASAM ANNAMALAI (Author)
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Accepted 2024-03-11
Published 2024-04-11
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