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Sublethal and Transgenerational Effects of Reduced-Risk Insecticides on Macrolophus basicornis (Hemiptera: Miridae)

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Abstract

Reduced-risk insecticides and mirid predators have been used to control Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) in tomato crops. However, even when causing low mortality to the beneficial insects, these products might cause side effects. This study investigated the sublethal and transgenerational effects of buprofezin, cyantraniliprole, and spiromesifen on Macrolophus basicornis (Stal) (Hemiptera: Miridae). After 72 h of exposure of third-instar nymphs and adults to residues on tomato leaves, adult couples were formed and kept in cages with residue-free tomato leaves. The leaves were changed every 48 h and the offspring were assessed in 6 different periods. Body size was assessed by measuring the hind-tibia length of adults (F0) from exposed nymphs and in three different offspring groups. None of the insecticide residues caused a reduction on offspring populations or affected the body size of adults in generation F0. Regardless, buprofezin and spiromesifen reduced the tibia length of adults (F1) from exposed nymphs assayed in the third mating period. Cyantraniliprole did not affect any parameter and could be recommended for control of B. tabaci in association with M. basicornis releases. This study may contribute to future field assays of the compatibility of these insecticides with M. basicornis.

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Acknowledgements

The authors thank the Department of Entomology and Acarology of the “Luiz de Queiroz” College of Agriculture/University of São Paulo (ESALQ/USP), Piracicaba, São Paulo, Brazil; the Brazilian Federal Agency for the Support and Evaluation of Graduate Education (CAPES); the São Paulo Research Foundation (FAPESP) (grant 2019/26099-0); and the National Council for Scientific and Technological Development (CNPq). They are grateful to Janet W. Reid for help with the manuscript.

Funding

This study was funded by the National Council for Scientific and Technological Development (CNPq) and the Brazilian Federal Agency for the Support and Evaluation of Graduate Education (CAPES) with financial support and award of a scholarship.

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Contributions

T.F. M.: conceptualization, methodology, validation, investigation, writing—original draft. J.B. P.: formal analysis, writing—review and editing. M.R. S.: investigation, writing—review and editing. E.D.R. S.: investigation, writing—review and editing. P.T. Y.: resources, writing—review and editing, project administration, funding acquisition.

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Correspondence to Thaís Fagundes Matioli.

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Not applicable for research with invertebrates.

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The authors declare no competing interests.

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Edited by Christian S Torres

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Matioli, T.F., de Bastos Pazini, J., da Silva, M.R. et al. Sublethal and Transgenerational Effects of Reduced-Risk Insecticides on Macrolophus basicornis (Hemiptera: Miridae). Neotrop Entomol 53, 383–390 (2024). https://doi.org/10.1007/s13744-023-01115-4

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  • DOI: https://doi.org/10.1007/s13744-023-01115-4

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