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Toxicity of insecticides for adults of Diceraeus melacanthus Dallas, 1851 (Hemiptera: Pentatomidae) in three exposure modes

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dc.contributor.authorVieira, E.C.S.
dc.contributor.authorÁvila, C.J.
dc.contributor.authorVieira, M.C.S.
dc.contributor.authorSilva, P.G.
dc.date.accessioned2025-01-23T09:00:51Z
dc.date.available2025-01-23T09:00:51Z
dc.date.issued2025
dc.descriptionReceived: July 10th, 2024 ; Accepted: November 11th, 2024 ; Published: January 2nd, 2025 ; Correspondence: elizete.cavalcanteufgd@gmail.comeng
dc.description.abstractPhytophagous stink bugs are considered the important pest in second-crop corn cultivation in Brazil, especially when they occur during the early stage of plant development. This study aimed to evaluate the efficiency of insecticides in controlling adults of the Diceraeus melacanthus (Dallas, 1851) stink bug when applied separately in three different modes of exposure. The treatments were evaluated in three modes of exposure of insecticides to D. melacanthus adults as described below: direct contact (direct application of the insecticide to the insects); tarsal contact (exposure through their walking on the treated surface) and ingestion (contact through their feeding on previously treated fresh bean pods). Mortality was assessed at 1, 5, 24 and 48 hours post-exposure. We observed that the percentage of accumulated mortality of D. melacanthus adults was significant through direct contact with chemical treatments. However, if the target insect does not receive direct spraying on its body, indirect contact through its tarsus walking on the treated surface can guarantee a significant final mortality of the stink bugs. In addition, although the mode of exposure through ingestion has shown low mortality, it may also contribute to the final mortality of stink bugs in the field depending on the chemical treatment applied to the crop.eng
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2025, vol. 23, Special Issue x, pp. x–xeng
dc.identifier.urihttp://hdl.handle.net/10492/9532
dc.identifier.urihttps://doi.org/10.15159/ar.25.001
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectchemical controleng
dc.subjectgreen belly stink bugeng
dc.subjectmortalityeng
dc.subjectneonicotinoidseng
dc.subjectarticleseng
dc.titleToxicity of insecticides for adults of Diceraeus melacanthus Dallas, 1851 (Hemiptera: Pentatomidae) in three exposure modeseng
dc.typeArticleeng

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