Fiaboe, Kokou RodrigueFening, Ken OkwaeGbewonyo, Winfred Seth KofiDeshmukh, Sharanabasappa2024-09-172024-09-172023-11-15Fiaboe, K.R., Fening, K.O., Gbewonyo, W.S.K. & Deshmukh, S. (2023) Bionomic responses of Spodoptera frugiperda (J. E. Smith) to lethal and sublethal concentrations of selected insecticides. PLoS One 18(11): e0290390. https://DOI.org/10.1371/journal.pone.0290390.1932-6203 (online)10.1371/journal.pone.0290390http://hdl.handle.net/2263/98284DATA AVAILABILITY STATEMENT : All relevant data are within the manuscript and its Supporting Information files.SUPPORTING INFORMATION : TABLE S1. Effects of the control treatment on the bionomics of Spodoptera frugiperda. TABLE S2. Impacts of sublethal doses of azadirachtin on the bionomics of Spodoptera frugiperda. TABLE S3. Impacts of sublethal doses of ethyl palmitate on the bionomics of Spodoptera frugiperda. TABLE S4. Impacts of the combined sublethal doses of Pieris rapae Granulovirus and Bacillus thuringiensis subsp. kurstaki on the bionomics of Spodoptera frugiperda. TABLE S5. Impacts of sublethal doses of emamectin benzoate on the bionomics of Spodoptera frugiperda. TABLE S6. Impacts of the combined sublethal doses of acetamiprid and indoxacarb on the bionomics of Spodoptera frugiperda. TABLE S7. Impacts of the combined sublethal doses of acetamiprid and lambda-cyhalothrin on the bionomics of Spodoptera frugiperda. TABLE S8. Impacts of the combined sublethal doses of Bacillus thuringiensis subsp. kurstaki and Monosultap on the bionomics of Spodoptera frugiperda. TABLE S9. Number of alive Spodoptera frugiperda larvae per ten maize plants per plot during the minor rainy season on-station trial. CT: Control (no insecticide); AZ: NeemGold 0.3 SC1(azadirachtin); BT: Agoo 55WP1(Btk + Monosultap); PR: Bypel 1 WP1(PrGV + Btk); EB: Strike 1.9 EC™ (emamectin benzoate). TABLE S10. Number of alive Spodoptera frugiperda larvae per ten maize plant per plot during the dry season on-station trial. CT: Control (no insecticide); AZ: NeemGold 0.3 SC1 (azadirachtin); BT: Agoo 55WP1(Btk + Monosultap); PR: Bypel 1 WP1(PrGV + Btk); EB: Strike 1.9 EC™ (emamectin benzoate). TABLE S11. Maize grain yield (t) per hectare (ha) during the minor rainy and dry seasons. CT: Control (no insecticide); AZ: NeemGold 0.3 SC1(azadirachtin); BT: Agoo 55WP1(Btk + Monosultap); PR: Bypel 1 WP1(PrGV + Btk); EB: Strike 1.9 EC™ (emamectin benzoate).Since 2016, the invasive insect Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) from the Americas has made maize production unattainable without pesticides in parts of Sub-Saharan Africa and Asia. To counteract this pest, farmers often resort to the use hazardous pesticides. This study aimed to investigate botanicals, microbials, and semi-synthetic insecticides in Ghana for pest control without harming local ecosystems. Under laboratory and on-station conditions, the present study evaluated the acute and sublethal responses of S. frugiperda to: (i) Pieris rapae Granulovirus (PrGV) + Bacillus thuringiensis sub sp. kurstaki (Btk) 5 WP, (ii) Btk + monosultap 55 WP, (iii) ethyl palmitate 5 SC, (iv) azadirachtin 0.3 SC, (v) acetamiprid (20 g/l) + λ-cyhalothrin (15 g/l) 35 EC, (vi) acetamiprid (30 g/l) + indoxacarb (16 g/l) 46 EC, and (vii) emamectin benzoate 1.9 EC. The results showed that at 96 hours post-exposure emamectin benzoate-based formulation has the highest acute larvicidal effect with lower LC50 values of 0.019 mL/L. However, the results suggested strong sublethal effects of PrGV + Btk, azadirachtin, and ethyl palmitate on the bionomics of S. frugiperda. Two seasons on-station experiments, showed that the semi-synthetic emamectin benzoate and the bioinsecticide PrGV + Btk are good candidates for managing S. frugiperda. The promising efficacy of emamectin benzoate and PrGV + Btk on the bionomics of S. frugiperda in the laboratory and on-station demonstrated that they are viable options for managing this pest.en© 2023 Fiaboe et al. This is an open access article distributed under the terms of the Creative Commons Attribution License.Spodoptera frugiperdaAmericasMaize productionSub-Saharan Africa (SSA)AsiaSDG-02: Zero hungerArticle