ORIGINAL RESEARCH article
Front. Plant Sci.
Sec. Plant Pathogen Interactions
Volume 16 - 2025 | doi: 10.3389/fpls.2025.1694032
This article is part of the Research TopicProtecting Crops From Pests and Diseases with New Advancements in Bioprotectants and BiostimulantsView all 7 articles
Lethal and sublethal effects of chemical and bio-insecticides on Spodoptera frugiperda adults: New perspectives for 'attract-and-kill' control strategies
Provisionally accepted
Nourhan A. El-Said1Nawal AbdulAziz Alfuhaid2*
BIju Vadakkemukadiyil Chellappan3
Hossam S. El-Beltagi4
Mohamed M. El-Mogy4*
Moataz A. M. Moustafa1- 1Cairo University Faculty of Agriculture, Cairo, Egypt
- 2Prince Sattam bin Abdulaziz University, Al Kharj, Saudi Arabia
- 3King Faisal University College of Science, Al Ahsa, Saudi Arabia
- 4King Faisal University College of Agricultural and Food Sciences, Al Ahsa, Saudi Arabia
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Spodoptera frugiperda (Lepidoptera: Noctuidae), commonly known as the fall armyworm, is a highly destructive migratory insect that poses a serious risk to global agricultural production, particularly maize crop. Targeting adult stages through ingestion-based control strategies offers a promising alternative to conventional broad-spectrum insecticide applications. In the current research, the lethal and sublethal impacts of five insecticides were evaluated against adult S. frugiperda, with a particular focus on chlorantraniliprole. Of the tested compounds, chlorantraniliprole revealed the highest toxicity (LC₅₀ = 1.29 mg/L). Sublethal exposure to chlorantraniliprole significantly reduced larval and pupal development durations, decreased pupal weights, and shortened adult longevity in the offspring, without significantly affecting larval mortality, pupation rate, or emergence rate. Enzymatic assays showed minimal induction of detoxification enzymes, suggesting a lower likelihood of rapid resistance emergence. This underscores the promise of chlorantraniliprole as an effective, environmentally favorable agent for integration into attract-and-kill strategies aimed at sustainable control of S. frugiperda infestations.
Keywords: Spodoptera frugiperda, Chlorantraniliprole, Ingestion bioassay, Fecunditysuppression, detoxification enzymes
Received: 27 Aug 2025; Accepted: 24 Sep 2025.
Copyright: © 2025 El-Said, Alfuhaid, Chellappan, El-Beltagi, El-Mogy and Moustafa. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Nawal AbdulAziz Alfuhaid, n.alfuhaid@psau.edu.sa
Mohamed M. El-Mogy, elmogy@kfu.edu.sa
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.