Suscetibilidade de abelhas sem ferrão ao inseticida dimetoato DOI Open Access

Andreza Barbosa

Published: July 28, 2023

As abelhas sem ferrão (Meliponini) constituem o maior grupo de polinizadores tropicais e subtropicais do mundo têm enfrentado um declínio associado a diversos fatores, como uso extensivo agroquímicos. A falta dados sobre suscetibilidade desses levanta dúvidas extrapolação adequada dos resultados toxicidade baseados na espécie exótica Apis mellifera, comumente utilizada nos processos registro agroquímicos no Brasil. Este estudo teve objetivo avaliar aguda inseticida neurotóxico dimetoato (composto referência em testes laboratoriais abelhas) ferrão, comparando com os obtidos para A. mellifera. Foram investigadas diversas espécies incluindo Melipona quadrifasciata, mondury, scutellaris, Scaptotrigona bipunctata, xanthotricha, Tetragona clavipes, Partamona helleri, Friseomelitta varia, Trigona spinipes, Tetragonisca angustula (forrageiras) Plebeia droryana (operárias adultas). foram expostas ao conforme protocolos da Organização Cooperação Desenvolvimento Econômico (OECD) exposição oral por contato. sobrevivência foi avaliada até 96 horas as doses letais médias (DL 50) 24 estimadas ambos tipos cada espécie. DL 50-24h utilizadas obter curvas distribuição sensibilidade das determinar dose efeito (HD5). Também analisado peso corporal preditor interespecífica. O afetou taxa todas espécies. scutellaris exibiu DL50 (0,064 µg i.a./abelha), T. spinipes apresentou contato (0,041 enquanto S. xanthotricha apresentaram menores (0,0087 i.a./abelha) (0,0020 respectivamente. Através cálculo fator (DL50-24h mellifera/10x) utilizado nas estimativas risco (0,0045 (0,0041 verificado que maioria testadas duas formas nível proteção adequado, exceção P. valor HD5, obtido através Análise Sensibilidade espécies, 0,013 i.a./abelha 0,0022 Além disso, variou entre acordo tipo (contato ou oral), mellifera menos suscetível ferrão. não se mostrou estatisticamente significativo suscetibilidade. Esses indicam é potencialmente tóxico prejudicial à 12 abelhas, tanto quanto são relevantes uma inclusão diferentes avaliação risco, representando avanço compreensão efeitos pesticidas Meliponini. Palavras-chave: Abelhas nativas. Toxicidade. Organofosforado. Curvas

Pesticide impacts on insect pollinators: Current knowledge and future research challenges DOI
Parthiba Basu, Hien T. Ngo, Marcelo A. Aizen

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 954, P. 176656 - 176656

Published: Oct. 2, 2024

Language: Английский

Citations

7

Surrogate species in pesticide risk assessments: Toxicological data of three stingless bees species DOI
Ana Paula Salomé Lourencetti, Patricia Azevedo, Lucas Miotelo

et al.

Environmental Pollution, Journal Year: 2022, Volume and Issue: 318, P. 120842 - 120842

Published: Dec. 9, 2022

Language: Английский

Citations

28

Pesticide usage practices and the exposure risk to pollinators: A case study in the North China Plain DOI Creative Commons
Hongyu Mu, Kai Wang, Xiaomei Yang

et al.

Ecotoxicology and Environmental Safety, Journal Year: 2022, Volume and Issue: 241, P. 113713 - 113713

Published: June 3, 2022

Due to the frequent pesticide applications, bees are suffered from exposure risks via consumption and direct contact with sprayed drifts. However, if pesticides misused potential risk based on realistic application data still little reported. In this study, patterns in wheat-maize rotation system, vegetable apple producing areas, was studied by interviewing farmers Quzhou County, North China Plain. The use status evaluated recommended actual applied dose quotient (RQ) Bee-REX model used assess of collected data. results showed that over half (52 %) selected sites orchard owners were frequently pesticides. Positive correlations found between usage performance farmers' specialized training experience. Pesticides orchards have caused higher mean RQs exceed 120 1880 acute dietary routes, respectively. Pesticide misuse significantly elevates RQ under scenarios 5.8 times than correct use. Abamectin, fipronil neonicotinoids contributed most bees. main findings study imply more sustainable pest pollinator management strategies, including moratorium high-risk insecticides providing diverse flower resources habitats, highly needed. Additionally, measures such as implementing farmer educating programs should also be put agenda.

Language: Английский

Citations

27

Ecological risk assessment for difenoconazole in aquatic ecosystems using a web-based interspecies correlation estimation (ICE)-species sensitivity distribution (SSD) model DOI
Chao Shen,

Xinglu Pan,

Xiaohu Wu

et al.

Chemosphere, Journal Year: 2021, Volume and Issue: 289, P. 133236 - 133236

Published: Dec. 9, 2021

Language: Английский

Citations

30

Single and Synergistic Effects of Microplastics and Difenoconazole on Oxidative Stress, Transcriptome, and Microbiome Traits in Honey Bees DOI
Siwei Wang, Xiaonan Wang, Yanping Liu

et al.

Journal of Agricultural and Food Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Microplastics (MPs) and pesticides are identified as two environmental pollutants. In the present study, we showed evidence of toxic effects on honey bees from chronic oral exposure to food containing difenoconazole alone (Dif) in a binary mixture with polystyrene (PS)-MPs (Dif + PS). We observed disrupted gut microbial community structure after exposure, microbiota richness increased at phylum genus levels Dif PS group. Transcriptomic analysis revealed that caused 98 differentially expressed genes (DEGs), while 41 DEGs were PS-MPs seemed mitigate oxidative damage changes transcriptome profile by some extent. However, coexposure disordered composition. Our study highlights importance investigating possible additive synergic activities between stressors comprehensively understand pollutants pollinating insects.

Language: Английский

Citations

0

Behavioral and physiological effects of difenoconazole on stingless bees: A multi-species analysis DOI
Renan dos Santos Araújo, Lorena Lisbetd Botina, Thaís Andrade Viana

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 967, P. 178837 - 178837

Published: Feb. 13, 2025

Language: Английский

Citations

0

Pesticide contamination detected across five wildlife refuges in the Sacramento Valley of California DOI

Angie Lenard,

Trudy L. Burns, Michelle L. Hladik

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 969, P. 178991 - 178991

Published: March 1, 2025

Language: Английский

Citations

0

Effects of abamectin nanocapsules on bees through host physiology, immune function, and gut microbiome DOI

Dezheng Guo,

Ying Wang, Zhongyu Li

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 930, P. 172738 - 172738

Published: April 24, 2024

Language: Английский

Citations

3

Commonly used triazole fungicides accelerate the metamorphosis of digger wasps (Hymenoptera: Spheciformes) DOI
Petr Heneberg, Petr Bogusch

Environmental Science and Pollution Research, Journal Year: 2022, Volume and Issue: 29(44), P. 67430 - 67441

Published: Aug. 27, 2022

Language: Английский

Citations

8

Recent advances in the toxicological effects of difenoconazole: A focus on toxic mechanisms in fish and mammals DOI
Bizhang Dong

Chemosphere, Journal Year: 2024, Volume and Issue: 368, P. 143751 - 143751

Published: Nov. 1, 2024

Language: Английский

Citations

1