Effects of the neonicotinoids acetamiprid and thiacloprid in their commercial formulations on soil fauna

Renaud, Mathieu; Akeju, Tolutope; Natal-da-Luz, Tiago; Leston, Sara; Rosa, João; Ramos, Fernando; Sousa, José Paulo; Azevedo-Pereira, Henrique M.V.S.

doi:10.1016/j.chemosphere.2017.11.102

Cited by 60 publications

(24 citation statements)

References 36 publications

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“…However, even though the effects of glyphosate and its preparation Roundup are subject of a highly controversial discussion, this problem also applies to most other pesticides that are not as intensely studied as glyphosate, making it more difficult to come to a consensus on how to improve risk assessment. Overall, there is very scarce information on the toxicity mechanisms available for the pesticides investigated in the present study and especially their commercial preparations [9,29,43,45,58,60]. This also supports Nagy et al postulations of the inadequacy of current EU required assessments resulting in little information on the actual hazard from commercial pesticide formulations [34].…”

Section: Acute Toxicitysupporting

confidence: 75%

Commercial preparations of pesticides exert higher toxicity and cause changes at subcellular level in earthworm Eisenia andrei

et al. 2021

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Background The environmental impact of pesticides has been an increasingly discussed issue over the last decades. Constant usage of pesticides presents a burden for soil and causes a decrease in its health, including the negative effects on earthworms which are indicators for soil quality. The objective of this research was the assessment of the effects of two insecticides and two herbicides on the earthworm Eisenia andrei. Namely, the following active ingredients and respective commercial preparations were investigated: esfenvalerate (Sumialfa), thiacloprid (Calypso), dimethenamid-p (Frontier) and prosulfocarb (Filon). Lethal concentrations (48 h) of both active ingredient and commercial preparations were determined using the filter paper contact test. Results The results showed that Calypso and Frontier were significantly more toxic than the active ingredient. Therefore, all further measurements were performed after exposure of earthworms to the commercial preparations of the pesticides. Specifically, several enzymatic biomarkers and multixenobiotic resistance activity were assessed. Additionally, a fluorescence-based assay for the determination of oxidative stress was established. Significant changes were detected for catalase, carboxylesterase and multixenobiotic activities after 48-h exposures. Also, a significant change in oxidative stress parameters could be observed for both Calypso and Frontier. Conclusions The obtained results show that commercial preparations can be more toxic than the active ingredients, and the formulations being distributed in the environment can affect earthworms on a molecular level already after short exposures. This emphasizes the importance of a more integrated eco-toxicological assessment of commercial pesticide preparations not to underestimate their effects on the environment.

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Section: Acute Toxicitysupporting

confidence: 75%

Commercial preparations of pesticides exert higher toxicity and cause changes at subcellular level in earthworm Eisenia andrei

et al. 2021

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“…Higher neonicotinoid concentrations negatively affected insect emergence over time. -Laboratory tests (Renaud et al, 2018) showed chronic toxicity of the neonicotinoids thiacloprid and acetamiprid to soil invertebrates exceeded European Commission trigger values and point to risks to soil biota from thiacloprid and acetamiprid use. -Macauley et al (2019) found that imidacloprid and clothianidin exerted strong chronic toxicity effects on Deleatidium nymphs, whereas thiamethoxam was the least toxic.…”

Section: Non-target Species and Whole Ecosystem Effectsmentioning

confidence: 99%

Social, Psychological and Health Impact of Coronavirus Disease (COVID-19) on the Elderly: South African and Italian Perspectives

2021

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Agriculture is critically important for African societies and economies but ensuring food security for Africa’s growing population is a major challenge. One particular concern are pesticides called ‘neonicotinoids’, which render all parts of a plant toxic to all insects and contaminate the soil and water bodies. By exposing all organisms to the toxins, neonicotinoids also harm beneficial insects that provide many important ‘ecosystem services’, such as pollination, soil development, and natural pest control, which are an integral part of sustainable agriculture. Neonicotinoids have contributed to the loss of ecosystem services from pollinators and other insects in Europe and elsewhere, and several of them have been banned in the (European Union) EU and other countries due to their harmful effect on beneficial insects. Africa, with its rich biodiversity and heavy reliance on agricultural production, is one of the fastest-growing pesticide markets in the world, so protecting it from the harmful effects of neonicotinoids is vital to ensuring a sustainable agriculture that provides food security. The Academy of Science of South Africa (ASSAf), in collaboration with the German National Academy of Sciences Leopoldina and the Network of African Science Academies (NASAC) has recently completed a project exploring the use and effects of neonicotinoids in African agriculture. This project brought together experts from 17 African countries, reviewed the relevant African scientific literature, and analysed the state of knowledge on neonicotinoids and their impact on ecosystem services for agriculture and on biodiversity in Africa. The resultant report ‘Neonicotinoid insecticides: use and effects in African agriculture. A review and recommendations to policy makers’ (NASAC, 2019) has collated an unprecedented amount of information, identified gaps in scientific knowledge and research relating to neonicotinoids in Africa, and developed key recommendations from science to policy-makers to ensure the sustainability of African agriculture and thus food security. One year after the launch of the NASAC report, the purpose of this virtual event was to introduce the report, including an update on recent global scientific and African policy developments regarding neonicotinoids, and to discuss its implications with a wide range of stakeholders, with the aim of stimulating policy and research action on this important issue. The target audience and participants included South African and Southern African Development Community (SADC) policymakers, regulatory agencies, government departments, agricultural associations, extension-service providers, research institutes, international development agencies, representatives of embassies, and other interested stakeholders.

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“…So far, a great number of pesticides belonging to classes of organophosphates, organo-chlorines, and neonicotinoids have been developed and used [1][2][3]. Among them, acetamiprid, a new type of neonicotinoid pesticide, has been widely used for the prevention and control of insects [4]. However, acetamiprid can cause endocrine disruption in humans with shortterm exposure and can cause cancer, birth defects, and even reduce reproductive function in humans with long-term exposure [5,6].…”

Section: Introductionmentioning

confidence: 99%

Facile Detection and Quantification of Acetamiprid Using a Portable Raman Spectrometer Combined with Self-Assembled Gold Nanoparticle Array

et al. 2021

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Rapid and facile determination of pesticides is critically important in food and environmental monitoring. This study developed a self-assembled gold nanoparticle array based SERS method for highly specific and sensitive detection of acetamiprid, a neonicotinoid pesticide that used to be difficult in SERS analysis due to its low affinity with SERS substrates. SERS detection and quantification of acetamiprid was conducted with self-assembled gold nanoparticle arrays at the interface of chloroform and water as the enhancing substrate. Since targets dissolved in chloroform (organic phase) also have access to the hot-spots of Au NP array, the developed method exhibited good sensitivity and specificity for acetamiprid determination. Under the optimal conditions, SERS intensities at Raman shifts of 631 cm−1 and 1109 cm−1 displayed a good linear relationship with the logarithm concentration of acetamiprid in the range of 5.0 × 10−7 to 1.0 × 10−4 mol/L (0.11335 ppm to 22.67 ppm), with correlation coefficients of 0.97972 and 0.97552, respectively. The calculated LOD and LOQ of this method were 1.19 × 10−7 mol/L (0.265 ppb) and 2.63 × 10−7 mol/L (0.586 ppb), respectively, using SERS signal at 631 cm−1, and 2.95 × 10−7 mol/L (0.657 ppb) and 3.86 × 10−7 mol/L (0.860 ppb) using SERS signal at 1109 cm−1, respectively. Furthermore, the developed SERS method was successfully applied in determining acetamiprid on the surface of apple and spinach. This method offers an exciting opportunity for rapid detection of acetamiprid and other organic pesticides considering its advantages of simple preparation process, good specificity and sensitivity, and short detection time (within 1 h).

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Effects of the neonicotinoids acetamiprid and thiacloprid in their commercial formulations on soil fauna

Cited by 60 publications

References 36 publications

Commercial preparations of pesticides exert higher toxicity and cause changes at subcellular level in earthworm Eisenia andrei

Commercial preparations of pesticides exert higher toxicity and cause changes at subcellular level in earthworm Eisenia andrei

Social, Psychological and Health Impact of Coronavirus Disease (COVID-19) on the Elderly: South African and Italian Perspectives

Facile Detection and Quantification of Acetamiprid Using a Portable Raman Spectrometer Combined with Self-Assembled Gold Nanoparticle Array

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