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December 4, 2025Environmental Toxicology and Chemistry

Acute oral and contact toxicity of imidacloprid and thiamethoxam, and their commercial products, to the neotropical stingless bee Melipona scutellaris

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EVEny María Vieira

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Overview

Analysis shows increased toxicity of neonicotinoid insecticides in neotropical stingless bee, indicating the need for risk assessments.

Key Points

  • Acute oral and contact toxicity observed in neotropical stingless bee, confirming high sensitivity to neonicotinoid insecticides.
  • Commercial products exhibited greater toxicity due to biological activity of co-formulants, exceeding that of active ingredients.
  • Assessment utilized evidence of risk assessments designed for standard bee species, emphasizing pitfalls in current methodologies.
  • Study underscores the need for improved toxicity assessments to ensure the survival of non-standard bee species in ecological scenarios.

Cite This Study

Eny María Vieira (2025) studied this question.

synapsesocial.com/papers/6930e8b6ea1aef094cca2e89https://doi.org/10.1093/etojnl/vgaf284
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Beyond Standard Protocols: Advanced Patented Technology for Comprehensive Toxicity Assessments in Neotropical Bees2026
  2. 2Toxicity of Imidacloprid Against Melipona scutellaris (Latreille, 1811): Preliminary Risk Analysis2024
  3. 3Comparative Assessment of Oral Insecticide Toxicity in the Indian Honey Bee and a Stingless Bee2026
  4. 4Different concentrations of the insecticide thiamethoxam affects the midgut, behavior and causes oxidative stress in the stingless bee <i>Partamona helleri</i> Friese, 1900 (Hymenoptera: Meliponini)2025 · 1 citations
  5. 5Effects of neonicotinoid residues in Apis cerana indica bees and bee products: LC-MS/MS analysis and dietary risk assessment in a sunflower field study2024