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1. An integrated assessment and spatial-temporal variation analysis of neonicotinoids in pollen and honey from noncrop plants in Zhejiang, China

Author:
Tang, Tao; Cui, Wang; Wei, Dai; Shuqing, Yu; Zhengbiao, Lu; Quan, Zhang
Source:
Environmental pollution 2019 v.250 pp. 397-406
ISSN:
0269-7491
Subject:
clothianidin,   etc   ; acetamiprid; climate; dinotefuran; farming systems; foraging; honey; honey bees; pollen; pollution; risk; China;     Show all 12 Subjects
Abstract:
... Recent studies have shown that neonicotinoids in pollen and honey (collected by honeybees) are likely to pose risks to honeybees. However, data on the integrated residue and spatial-temporal variation of neonicotinoids from noncrop plants, the principle sources of pollen for honey bees, are very limited, especially in China. In this study, we employed a novel assessment method based on the relativ ...
DOI:
10.1016/j.envpol.2019.04.004

2. Evaluation of the impact of matrix effects in LC/MS measurement on the accurate quantification of neonicotinoid pesticides in food by isotope-dilution mass spectrometry

Author:
Nakamura, Keisuke; Otake, Takamitsu; Hanari, Nobuyasu; Takatsu, Akiko
Source:
Journal of environmental science and health 2019 v.54 no.6 pp. 467-474
ISSN:
1532-4109
Subject:
clothianidin,   etc   ; acetamiprid; brown rice; calibration; carrots; dinotefuran; green onions; imidacloprid; isotope labeling; mass spectrometry; thiacloprid; thiamethoxam;     Show all 12 Subjects
Abstract:
... The use of isotope-labeled internal standards is the most widely accepted approach to overcome the matrix effects on quantification of pesticides in food by LC/MS. We evaluated the impact of the matrix effects on quantification of six neonicotinoid pesticides, acetamiprid, clothianidin, dinotefuran, imidacloprid, thiacloprid, and thiamethoxam, in food by using deuterated internal standards. The ca ...
DOI:
10.1080/03601234.2019.1607134

3. A large-scale survey of house sparrows feathers reveals ubiquitous presence of neonicotinoids in farmlands

Author:
Humann-Guilleminot, Ségolène; Clément, Sarah; Desprat, Julia; Binkowski, Łukasz J.; Glauser, Gaétan; Helfenstein, Fabrice
Source:
The Science of the total environment 2019 v.660 pp. 1091-1097
ISSN:
0048-9697
Subject:
clothianidin,   etc   ; Passer domesticus; agricultural land; birds; diet; feathers; granivores; habitats; insects; omnivores; surveys; thiacloprid; Switzerland;     Show all 13 Subjects
Abstract:
... The massive use of neonicotinoid insecticides has been repeatedly incriminated for their impacts to avian populations. Some studies have reported contamination of granivorous birds by neonicotinoids but very little is known about exposure to neonicotinoids in other bird species. To fill this lack of knowledge, we trapped house sparrows Passer domesticus, an omnivorous bird whose diet is composed o ...
DOI:
10.1016/j.scitotenv.2019.01.068

4. Contamination of the guttation liquid of two common weeds with neonicotinoids from coated maize seeds planted in close proximity

Author:
Mörtl, Mária; Darvas, Béla; Vehovszky, Ágnes; Győri, János; Székács, András
Source:
The Science of the total environment 2019 v.649 pp. 1137-1143
ISSN:
0048-9697
Subject:
clothianidin,   etc   ; Cirsium arvense; Papaver rhoeas; corn; cross contamination; guttation; liquids; models; planting; seeds; soil; thiamethoxam; weeds;     Show all 13 Subjects
Abstract:
... Neonicotinoid uptake by maize plants emerged from coated seeds and by two common weeds grown in close proximity to coated seeds has been studied. Uptake of thiamethoxam (TMX) and clothianidin (CLO) have been characterized via guttation liquid measurements. The creeping thistle (Cirsium arvense), a well-known maize weed, as well as red poppy or Flanders poppy (Papaver rhoeas) were chosen as model s ...
DOI:
10.1016/j.scitotenv.2018.08.271

5. The route and rate of thiamethoxam soil degradation in laboratory and outdoor incubated tests, and field studies following seed treatments or spray application

Author:
Hilton, Martin J; Emburey, Simon N; Edwards, Paul A; Dougan, Christine; Ricketts, Dean C
Source:
Pest management science 2019 v.75 no.1 pp. 63-78
ISSN:
1526-498X
Subject:
clothianidin,   etc   ; field experimentation; seed treatment; soil degradation; soil pore water; soil treatment; thiamethoxam;     Show all 7 Subjects
Abstract:
... BACKGROUND: The route and rate of degradation of thiamethoxam in the laboratory and field was investigated. The effect of dark incubation versus light/dark cycles, seed treatment versus spray, and watering‐in for spray application was explored in side‐by‐side trials. RESULTS: Geometric mean DT₅₀ values were 75.4 days in OECD307 studies, and 18.3 (spray) and 16.5 (seed treatment) days in the field. ...
DOI:
10.1002/ps.5168

6. Assessment of Sublethal Effects of Neonicotinoid Insecticides on the Life‐History Traits of 2 Frog Species

Author:
Robinson, S.A.; Richardson, S.D.; Dalton, R.L.; Maisonneuve, F.; Bartlett, A.J.; de Solla, S.R.; Trudeau, V.L.; Waltho, N.
Source:
Environmental toxicology and chemistry 2019 v.38 no.9 pp. 1967-1977
ISSN:
0730-7268
Subject:
clothianidin,   etc   ; Lithobates pipiens; Lithobates sylvaticus; active ingredients; aquatic environment; frogs; larval development; life history; metamorphosis; sublethal effects; surface water; thiamethoxam;     Show all 12 Subjects
Abstract:
... Neonicotinoid insecticides are used extensively in agriculture and, as a consequence, are now detectable in nearby aquatic environments. Few studies have evaluated the effects of neonicotinoids on amphibians in these aquatic environments. In the present study, we examined the effects of 2 commercial formulations of neonicotinoids (active ingredients clothianidin and thiamethoxam) on survival and l ...
DOI:
10.1002/etc.4511

7. Evaluation of pressurized liquid extraction for the determination of neonicotinoid pesticides in green onion

Author:
Nakamura, Keisuke; Otake, Takamitsu; Hanari, Nobuyasu
Source:
Journal of environmental science and health 2019 v.54 no.8 pp. 640-646
ISSN:
1532-4109
Subject:
clothianidin,   etc   ; acetamiprid; acetonitrile; agrochemicals; dinotefuran; green onions; guidelines; imidacloprid; liquids; pesticide formulations; pesticide residues; solvents; temperature; thiacloprid; thiamethoxam; Japan;     Show all 16 Subjects
Abstract:
... A pressurized liquid extraction (PLE) method was presented for the determination of six neonicotinoid pesticides, acetamiprid, clothianidin, dinotefuran, imidacloprid, thiacloprid, and thiamethoxam in green onion. The critical parameters of PLE, e.g. extraction solvent, temperature, pressure, number of cycles, and static extraction time, were optimized by test on the spiked green onion with six ne ...
DOI:
10.1080/03601234.2019.1621633

8. Simultaneous determination of thiamethoxam and its metabolite clothianidin by LC-MS/MS in goji berry and soil

Author:
Li, Wei; Shen, Shuo; Chen, Hongyu; Guo, Qingyun
Source:
International journal of environmental analytical chemistry 2019 v.99 no.8 pp. 767-775
ISSN:
1029-0397
Subject:
clothianidin,   etc   ; Lycium; detection limit; dinotefuran; ecosystems; half life; liquid chromatography; metabolites; soil; standard deviation; tandem mass spectrometry; thiamethoxam; China;     Show all 13 Subjects
Abstract:
... In this study, an effective analytical method for simultaneous determination of thiamethoxam and its metabolite clothianidin in goji berry and soil was developed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The recoveries of the compounds in goji berry and soil at the levels of 0.005, 0.02, and 0.1 μg kg⁻¹ were 84.7–98.9% and the relative standard deviations (RSDs) were 0.9–3.2%. ...
DOI:
10.1080/03067319.2019.1609463

9. Determination of the residue dynamics and dietary risk of thiamethoxam and its metabolite clothianidin in citrus and soil by LC-MS/MS

Author:
Gui, Ting; Jia, Gui F.; Xu, Jin; Ge, Shi J.; Long, Xiao F.; Zhang, Yu P.; Hu, De Y.
Source:
Journal of environmental science and health 2019 v.54 no.4 pp. 326-335
ISSN:
1532-4109
Subject:
clothianidin,   etc   ; Citrus; acetonitrile; half life; kinetics; liquid chromatography; metabolites; pulp; risk; soil; soil sampling; standard deviation; tandem mass spectrometry; thiamethoxam;     Show all 14 Subjects
Abstract:
... A modified quick, easy, cheap, effective, rugged and safe (QuEChERS) method was developed for the determination of thiamethoxam and its metabolite clothianidin in citrus (including the whole citrus, peel and pulp) and soil samples by liquid chromatography-tandem mass spectrometry. The sample was extracted with acetonitrile and purified with octadecylsilane. The detection limits of both compounds w ...
DOI:
10.1080/03601234.2019.1571361

10. Distribution and Concentration of Neonicotinoid Insecticides on Waterfowl Production Areas in West Central Minnesota

Author:
Williams, Nate; Sweetman, Jon
Source:
Wetlands 2019 v.39 no.2 pp. 311-319
ISSN:
0277-5212
Subject:
clothianidin,   etc   ; U.S. Fish and Wildlife Service; conservation buffers; highlands; imidacloprid; risk; surface water; thiamethoxam; waterfowl; wetlands; Minnesota; Prairie Pothole region;     Show all 12 Subjects
Abstract:
... Neonicotinoid insecticides have been reported to occur widely in surface waters, including those of wetlands within the Prairie Pothole Region (PPR). In the US portion of the PPR, the US Fish and Wildlife Service has established Waterfowl Production Areas (WPAs) in an effort to enhance waterfowl production. Most WPAs have an area of protected upland surrounding wetlands that can act as a buffer to ...
DOI:
10.1007/s13157-018-1090-x

11. Quantum Yields and N₂O Formation from Photolysis of Solid Films of Neonicotinoids

Author:
Wang, Weihong; Aregahegn, Kifle Z.; Andersen, Simone T.; Ni, Anton Z.; Rohrbacher, Andrea F.; Nielsen, Ole John; Finlayson-Pitts, Barbara J.
Source:
Journal of agricultural and food chemistry 2019 v.67 no.6 pp. 1638-1646
ISSN:
1520-5118
Subject:
clothianidin,   etc   ; Fourier transform infrared spectroscopy; acetamiprid; air; dinotefuran; greenhouse gases; irradiation; nitrous oxide; photolysis; thiacloprid; thiamethoxam; ultraviolet radiation; wavelengths;     Show all 13 Subjects
Abstract:
... Neonicotinoids (NN), first introduced in 1991, are found on environmental surfaces where they undergo photolytic degradation. Photolysis studies of thin films of NN were performed using two approaches: (1) transmission FTIR, in which solid films of NN and the gas-phase products were analyzed simultaneously, and (2) attenuated-total-reflectance FTIR combined with transmission FTIR, in which solid f ...
DOI:
10.1021/acs.jafc.8b05417

12. Efficacy of Maxforce and Avion gel baits containing fipronil, clothianidin, and indoxacarb against the German cockroach (Blattella germanica)

Author:
Davari, Behroz; Kashani, Susan; Nasirian, Hassan; Nazari, Mansour; Salehzadeh, Aref
Source:
Entomological research 2018 v.48 no.6 pp. 459-465
ISSN:
1738-2297
Subject:
clothianidin,   etc   ; Blattella germanica; World Health Organization; fipronil; gels; indoxacarb; mortality;     Show all 7 Subjects
Abstract:
... The present study evaluated the efficacy of Maxforce gel baits containing 0.01% fipronil (Maxforce), 0.05% fipronil (Maxforce Magnum), 1.0% clothianidin (Maxforce Impact), and 0.6% indoxacarb (Avion gel bait; all from Bayer Environmental Science, Clayton, CA, USA) against reference and wild strains (Mobasher, Andisheh, Tamin‐e Ejtemaei, and Maskoni) of German cockroach collected in 2016. Test desi ...
DOI:
10.1111/1748-5967.12282

13. Leaching of Clothianidin in Two Different Indian Soils: Effect of Organic Amendment

Author:
Singh, NingthoujamSamarendra; Mukherjee, Irani; Das, ShaonKumar; Varghese, E.
Source:
Bulletin of environmental contamination and toxicology 2018 v.100 no.4 pp. 553-559
ISSN:
0007-4861
Subject:
clothianidin,   etc   ; animal manures; leachates; leaching; rain; soil depth; India;     Show all 7 Subjects
Abstract:
... Clothianidin is a widely used insecticide under Indian subtropical condition. The objective of this study was to generate residue data which aims to understand leaching potential of clothianidin [(E)-1-(2-chloro-1,3-thiazol-5-ylmethyl)-3-methyl-2- nitroguanidine] through packed soil column. The maximum amount of clothianidin was recovered at 0–5 cm soil depth in both Manipur (67.15%) and Delhi soi ...
DOI:
10.1007/s00128-018-2290-z

14. A nationwide survey of urinary concentrations of neonicotinoid insecticides in China

Author:
Zhang, Tao; Song, Shiming; Bai, Xueyuan; He, Yuan; Zhang, Bo; Gui, Mingwei; Kannan, Kurunthachalam; Lu, Shaoyou; Huang, Yanying; Sun, Hongwen
Source:
Environment international 2019
ISSN:
0160-4120
Subject:
clothianidin,   etc   ; acetamiprid; bees; birds; cities; dinotefuran; exposure pathways; females; fish; humans; imidacloprid; males; national surveys; nontarget organisms; thiacloprid; thiamethoxam; toxicity; China;     Show all 18 Subjects
Abstract:
... Neonicotinoid insecticides (NEOs) are emerging pesticides of concern due to their potential toxicity to non-target species (e.g., bees, fish and birds). China is an important producer and user of NEOs in the world. Studies on human exposure to NEOs in China are very limited. In this study, urinary levels of six NEOs, namely acetamiprid (ACE), clothianidin (CLO), dinotefuran (DIN), imidacloprid (IM ...
DOI:
10.1016/j.envint.2019.105114

15. Neonicotinoid insecticides in surface water from the central Yangtze River, China

Author:
Mahai, Gaga; Wan, Yanjian; Xia, Wei; Yang, Shunyi; He, Zhenyu; Xu, Shunqing
Source:
Chemosphere 2019 v.229 pp. 452-460
ISSN:
0045-6535
Subject:
clothianidin,   etc   ; acetamiprid; aquatic organisms; cumulative risk assessment; environmental monitoring; freshwater; imidacloprid; ingestion; land use; metabolites; nitenpyram; risk; spring; summer; surface water; thiacloprid; thiamethoxam; China; Yangtze River;     Show all 19 Subjects
Abstract:
... Neonicotinoid insecticides (NNIs) are extensively used insecticides worldwide, yet the data on NNIs residues in the Yangtze River, China is scarce. Occurrence and distribution of six NNIs and a metabolite (desmethyl-acetamiprid) in surface water were investigated in the central Yangtze River, China at 20 sites from March to July and September 2015. Acetamiprid (ACE), imidacloprid (IMI) and thiamet ...
DOI:
10.1016/j.chemosphere.2019.05.040

16. Screening of pesticides and veterinary drugs in small streams in the European Union by liquid chromatography high resolution mass spectrometry

Author:
Casado, Jorge; Brigden, Kevin; Santillo, David; Johnston, Paul
Source:
The Science of the total environment 2019 v.670 pp. 1204-1225
ISSN:
0048-9697
Subject:
clothianidin,   etc   ; European Union; aquatic environment; dicloxacillin; dimethenamid; imidacloprid; liquid chromatography; rivers; screening; solid phase extraction; streams; surface water; tandem mass spectrometry; terbuthylazine; veterinary drugs; waterways; Belgium;     Show all 17 Subjects
Abstract:
... Water samples from 29 small waterways located in 10 different countries in the European Union were screened for the presence of a large number of pesticides (275) and veterinary drugs (101). Solid phase extraction was combined with liquid chromatography coupled to Orbitrap high resolution tandem mass spectrometry to quantify the levels of pesticides in the samples and to detect the presence of vet ...
DOI:
10.1016/j.scitotenv.2019.03.207

17. Accumulation and toxicity of thiamethoxam and its metabolite clothianidin to the gonads of Eremias argus

Author:
Wang, Yinghuan; Zhang, Yang; Zeng, Tao; Li, Wei; Yang, Lu; Guo, Baoyuan
Source:
The Science of the total environment 2019 v.667 pp. 586-593
ISSN:
0048-9697
Subject:
clothianidin,   etc   ; agricultural land; androgen receptors; animal ovaries; blood; endocrine-disrupting chemicals; estrogen receptors; females; gene expression regulation; genes; liver; lizards; males; metabolites; prostaglandins; testes; testosterone; thiamethoxam; toxicity;     Show all 19 Subjects
Abstract:
... The endocrine disrupting effect of pesticides is considered to be an important factor in the decline of reptile populations. The large-scale application of neonicotinoids in the environment poses a potential threat to small farmland lizards Eremias argus. In this study, we evaluated the disruption effects of thiamethoxam and its metabolite clothianidin on the endocrine disruption of Eremias argus ...
DOI:
10.1016/j.scitotenv.2019.02.419

18. Characterization of sulfoxaflor resistance in the brown planthopper, Nilaparvata lugens (Stål)

Author:
Liao, Xun; Jin, Ruoheng; Zhang, Xiaolei; Ali, Ehsan; Mao, Kaikai; Xu, Pengfei; Li, Jianhong; Wan, Hu
Source:
Pest management science 2019 v.75 no.6 pp. 1646-1654
ISSN:
1526-498X
Subject:
clothianidin,   etc   ; Nilaparvata lugens; RNA interference; buprofezin; chlorpyrifos; cross resistance; cytochrome P-450; dinotefuran; enzyme activity; enzymes; etofenprox; genes; imidacloprid; nitenpyram; piperonyl butoxide; risk; thiamethoxam;     Show all 17 Subjects
Abstract:
... BACKGROUND: Sulfoxaflor is a new insecticide for controlling Nilaparvata lugens in the field. This study was conducted to investigate the risk of resistance development, the cross‐resistance spectrum and the mechanisms of sulfoxaflor resistance in N. lugens. RESULTS: A sulfoxaflor‐resistant strain was obtained from a field population by successive selection with sulfoxaflor for 39 generations in t ...
DOI:
10.1002/ps.5282

19. Effects of 2 Neonicotinoid Insecticides on Blood Cell Profiles and Corticosterone Concentrations of Wood Frogs (Lithobates sylvaticus)

Author:
Gavel, Melody J.; Richardson, Sarah D.; Dalton, Rebecca L.; Soos, Catherine; Ashby, Brendan; McPhee, Landon; Forbes, Mark R.; Robinson, Stacey A.
Source:
Environmental toxicology and chemistry 2019 v.38 no.6 pp. 1273-1284
ISSN:
0730-7268
Subject:
clothianidin,   etc   ; Lithobates sylvaticus; adults; blood; chronic exposure; corticosterone; disease susceptibility; frogs; immune system; juveniles; metamorphosis; nontarget organisms; parasites; tadpoles; thiamethoxam; waterways;     Show all 16 Subjects
Abstract:
... Neonicotinoids are widely used insecticides that are detectable in agricultural waterways. These insecticides are of concern due to their potential impacts on nontarget organisms. Pesticides can affect development of amphibians and suppress the immune system, which could impact disease susceptibility and tolerance. No previous studies on amphibians have examined the effects of these insecticides o ...
DOI:
10.1002/etc.4418

20. A novel extraction method for simultaneous determination of neonicotinoid insecticides and their metabolites in human urine

Author:
Song, Shiming; He, Yuan; Zhang, Bo; Gui, Mingwei; Ouyang, Jiping; Zhang, Tao
Source:
Analytical methods 2019 v.11 no.19 pp. 2571-2578
ISSN:
1759-9679
Subject:
clothianidin,   etc   ; acetamiprid; chemical species; dinotefuran; ethyl acetate; guanidines; humans; imidacloprid; liquid chromatography; metabolites; methanol; microextraction; solvents; standard deviation; tandem mass spectrometry; thiacloprid; thiamethoxam; urea; urine;     Show all 19 Subjects
Abstract:
... In this study, a novel method (i.e., liquid–liquid micro-extraction, LLME) coupled to liquid chromatography tandem mass spectrometry is proposed for the simultaneous determination of urinary levels of six neonicotinoid insecticides (NEOs), namely, imidacloprid, clothianidin, acetamiprid, thiacloprid, thiamethoxam, and dinotefuran, and four metabolites, including 1-methyl-3-(tetrahydro-3-furylmethy ...
DOI:
10.1039/c9ay00288j