{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Akinbuluma MD"],"funding":["University of Amsterdam"],"pagination":["908"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12470923"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(9)"],"pubmed_abstract":["The fall armyworm, <i>Spodoptera frugiperda</i>, is a long-distance migratory pest, which invaded the African continent in 2016, causing enormous losses to agricultural crops, especially maize. Synthetic insecticides are primarily used for managing <i>S. frugiperda</i>, but they leave residues on human food and animal feed and also cause environmental hazards. We evaluated the crude ethanolic extract of <i>Piper guineense</i> fruits for contact toxicity on <i>S. frugiperda</i> larvae and determined the lethal concentration (LC<sub>50</sub>) of the extract. Additionally, we conducted an electrophysiological (EAG) experiment to determine the responses of adult <i>S. frugiperda</i> males and females to <i>P. guineense</i> and determined whether the extract influenced mating, oviposition, and repellence to the adult female. We found that <i>P. guineense</i> extract caused significantly higher mortality to <i>S. frugiperda</i> larvae than an ethanol control. Electrophysiologically, we observed significantly higher responses to the extract than the control, with some variations in response between the sexes. A wind tunnel experiment revealed that females moved more towards the control than towards the extract. Taken together, our results confirm that <i>P. guineense</i> extract is effective against <i>S. frugiperda</i> larvae and adults. Future research should explore the responses of <i>S. frugiperda</i> to <i>P. guineense</i> extract on a field scale."],"journal":["Insects"],"pubmed_title":["Contact Toxicity, Electrophysiology, Anti-Mating, and Repellent Effects of &lt;i&gt;Piper guineense&lt;/i&gt; Against &lt;i&gt;Spodoptera frugiperda&lt;/i&gt; (Lepidoptera: Noctuidae)."],"pmcid":["PMC12470923"],"funding_grant_id":["Institute of Biodiversity and Ecosystem Dynamics"],"pubmed_authors":["Deere JA","Roessingh P","Akinbuluma MD","Groot AT"],"additional_accession":[]},"is_claimable":false,"name":"Contact Toxicity, Electrophysiology, Anti-Mating, and Repellent Effects of &lt;i&gt;Piper guineense&lt;/i&gt; Against &lt;i&gt;Spodoptera frugiperda&lt;/i&gt; (Lepidoptera: Noctuidae).","description":"The fall armyworm, <i>Spodoptera frugiperda</i>, is a long-distance migratory pest, which invaded the African continent in 2016, causing enormous losses to agricultural crops, especially maize. Synthetic insecticides are primarily used for managing <i>S. frugiperda</i>, but they leave residues on human food and animal feed and also cause environmental hazards. We evaluated the crude ethanolic extract of <i>Piper guineense</i> fruits for contact toxicity on <i>S. frugiperda</i> larvae and determined the lethal concentration (LC<sub>50</sub>) of the extract. Additionally, we conducted an electrophysiological (EAG) experiment to determine the responses of adult <i>S. frugiperda</i> males and females to <i>P. guineense</i> and determined whether the extract influenced mating, oviposition, and repellence to the adult female. We found that <i>P. guineense</i> extract caused significantly higher mortality to <i>S. frugiperda</i> larvae than an ethanol control. Electrophysiologically, we observed significantly higher responses to the extract than the control, with some variations in response between the sexes. A wind tunnel experiment revealed that females moved more towards the control than towards the extract. Taken together, our results confirm that <i>P. guineense</i> extract is effective against <i>S. frugiperda</i> larvae and adults. Future research should explore the responses of <i>S. frugiperda</i> to <i>P. guineense</i> extract on a field scale.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-05-01T03:21:12.519Z","creation":"2026-05-01T03:11:24.227Z"},"accession":"S-EPMC12470923","cross_references":{"pubmed":["41009091"],"doi":["10.3390/insects16090908"]}}