Assessing toxicity of the insecticide thiacloprid on Chironomus riparius (Insecta: Diptera) using multiple end points

Archives of Environmental Contamination and Toxicology
Miriam Langer-JaesrichAlmut Gerhardt

Abstract

Since data documentation on neonicotinic toxicity to nontarget organisms should be enhanced, we investigate the effects of thiacloprid, a novel neonicotinoid insecticide, on the sediment-dwelling nontarget insect Chironomus riparius. Further, we wanted to validate the sensitivity of end points on different biological levels and obtain the greatest amount of information regarding the effects of this compound by using a battery of several end points such as larval mortality, behavior, body weight gain, emergence rate, time of development, gender ratio, Hsp70 stress protein level, and larval mouthpart deformities after exposure at a concentration range of 0.1 to 1000 microg/L thiacloprid. C. riparius was impacted starting at concentrations of 0.5 microg/L, a concentration that can be considered environmentally relevant. Larval mortality, behavior, emergence, and Hsp70 protein level were sensitive indicators for the toxic effect of thiacloprid, whereas gender ratio and mouthpart morphology were not affected. In our case life-cycle end points like survival rate (LC(50): 1.57 microg/L) and emergence rate (EC(50): 0.54 microg/L) proved to be more sensitive than tested physiological end points for the neurotoxic insecticide.

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Citations

Jan 24, 2015·Environmental Science and Pollution Research International·Lei FengHongyun Jiang
Dec 20, 2014·The Science of the Total Environment·Andreia C M RodriguesJoão L T Pestana
Oct 8, 2015·Integrated Environmental Assessment and Management·Theo Cm BrockAndreu Rico
Dec 16, 2016·Ecotoxicology and Environmental Safety·Althiéris S SaraivaAmadeu M V M Soares
Mar 31, 2018·Environmental Toxicology and Chemistry·S Henrik BarmentloMartina G Vijver
Jul 29, 2018·Environmental Toxicology and Chemistry·Melanie RabyPaul K Sibley
Jul 24, 2010·Archives of Environmental Contamination and Toxicology·Henrique M V S Azevedo-Pereira, Amadeu M V M Soares
Nov 1, 2011·International Journal of Environmental Health Research·Elizabeth J AbbaZohir Chowdhury
Aug 3, 2019·Environmental Toxicology and Chemistry·Samuel J MacaulayChristoph D Matthaei
Jul 12, 2017·Archives of Physiology and Biochemistry·Intissar KammounIbtissem Ben Amara
Jan 23, 2021·Ecotoxicology and Environmental Safety·Débora RebechiMário Antônio Navarro-Silva
Aug 10, 2020·Chemosphere·Halina Binde Doria, Markus Pfenninger
Jul 16, 2019·The Science of the Total Environment·S Henrik BarmentloMartina G Vijver
Feb 15, 2011·Environmental Science & Technology·Marino MarinkovićWim Admiraal

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