Pyrethroid Insecticides: Use, Environmental Fate, and Ecotoxicology

Palmquist, Katherine; Salatas, Johanna H.; Fairbrother, Anne

doi:10.5772/29495

Cited by 103 publications

(74 citation statements)

References 100 publications

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“…This is to be expected as: (i) compared with sprays, seed treatments have less direct contact with operators and non-target species [36]; (ii) less surface runoff [47]; and (iii) reduced concentration in the environment [48]. However, many counter-arguments have arisen in the past few years against this application method, especially for the neonicotinoid group.…”

Section: Discussionmentioning

confidence: 99%

Arthropod Pest Control for UK Oilseed Rape – Comparing Insecticide Efficacies, Side Effects and Alternatives

et al. 2017

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Oilseed rape (Brassica napus) is an important combinable break crop in the UK, which is largely protected from arthropod pests by insecticidal chemicals. Despite ongoing debate regarding the use of neonicotinoids, the dominant seed treatment ingredients used for this crop, there is little publicly available data comparing the efficacy of insecticides in controlling key arthropod pests or comparing the impacts on non-target species and the wider environment. To provide an insight into these matters, a UK-wide expert survey targeting agronomists and entomologists was conducted from March to June 2015. Based on the opinions of 90 respondents, an average of 20% yield loss caused by the key arthropod pests was expected to have occurred in the absence of insecticide treatments. Relatively older chemical groups were perceived to have lower efficacy for target pests than newer ones, partly due to the development of insecticide resistance. Without neonicotinoid seed treatments, a lack of good control for cabbage stem flea beetle was perceived. Wide spectrum foliar insecticide sprays were perceived to have significantly greater negative impacts than seed treatments on users’ health, natural enemies, pollinators, soil and water, and many foliar active ingredients have had potential risks for non-target arthropod species in UK oilseed rape fields for the past 25 years. Overall, 72% of respondents opposed the neonicotinoid restriction, while 10% supported it. Opposition and support of the restriction were largely based on concerns for pollinators and the wider environment, highlighting the uncertainty over the side effects of neonicotinoid use. More people from the government and research institutes leaned towards neutrality over the issue, compared to those directly involved in growing the crop. Neonicotinoid restriction was expected to result in greater effort and expenditure on pest control and lower production (0–1 t/ha less). Alternatives for future oilseed rape protection were then discussed.

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Section: Discussionmentioning

confidence: 99%

Arthropod Pest Control for UK Oilseed Rape – Comparing Insecticide Efficacies, Side Effects and Alternatives

et al. 2017

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“…Bird and mammal species are considered to be largely unaffected by pyrethroids (Palmquist et al 2012) which are assumed to be converted to inactive metabolites by hydrolysis , but a number of recent laboratory studies have shown endocrine disruption, carcinogenicity, and neurotoxicity in pyrethroid-exposed rodents (Shafer et al 2008;George et al 2011;Jin et al 2012). We know of only one published study about the impacts of these compounds on wild mammal populations.…”

Section: Pyrethroidsmentioning

confidence: 99%

“…Pyrethroids are typically introduced into aquatic systems via runoff from sprayed fields, lawns, parking lots, or during rainstorm events (Palmquist et al 2012). They have been considered extremely toxic to fish for more than two decades (Haya 1989), with symptoms affecting the nervous, renal, and respiratory systems leading to acute toxicosis and death.…”

Section: Pyrethroidsmentioning

confidence: 99%

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Infectious Disease and Contaminants in Urban Wildlife: Unseen and Often Overlooked Threats

2014

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“…The early detection, monitoring and control of A. binocularis is important for minimizing plant damage. Currently, a neurotoxic pyrethroid is the only chemical agent available to control A. binocularis in the country . Additionally, insecticides that act by contact have control limitations because A. binocularis larvae are not reached due to their endophytic nature.…”

Section: Introductionmentioning

confidence: 99%

Identification of Δ6‐unsaturated, monoenyl type I pheromone compounds from the cashew stem borer Anthistarcha binocularis (Lepidoptera: Gelechiidae)

Soares

França

Triana

et al. 2019

Pest Management Science

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BACKGROUND The cashew stem borer Anthistarcha binocularis (Meyrick) is a major pest in cashew orchards in Brazil. The damage caused by the larvae results in economic losses, and the available chemical control is not suitable because of the endophytic nature of A. binocularis. The identification of the A. binocularis sex pheromone could provide novel applications for the detection and monitoring of this species. RESULTS Two compounds from female sex gland extracts elicited electrophysiological responses on male antennae. They were identified as dodec‐6‐en‐1‐ol and dodec‐6‐en‐1‐yl acetate by gas chromatography–mass spectrometry. E/Z stereoisomers of both compounds were synthesized, and the electroantennograms for the synthetic compounds showed the strongest responses for the (E)‐stereoisomers of the alcohol and acetate. In a field trial, the E6‐12:OH/E6‐12:OAc mixture attracted male A. binocularis, whereas the Z6‐12:OH/Z6‐12:OAc mixture attracted no specimens. CONCLUSIONS The bioactive compounds from the sex pheromone of A. binocularis have been identified as a mixture of two previously unidentified pheromone compounds: E6‐12:OH and E6‐12:OAc. The mixture of both compounds was attractive to males in preliminary field experiments, and this study is the first report of Δ6‐unsaturated monoenyl pheromone compounds in Lepidoptera. © 2019 Society of Chemical Industry

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Pyrethroid Insecticides: Use, Environmental Fate, and Ecotoxicology

Cited by 103 publications

References 100 publications

Arthropod Pest Control for UK Oilseed Rape – Comparing Insecticide Efficacies, Side Effects and Alternatives

Arthropod Pest Control for UK Oilseed Rape – Comparing Insecticide Efficacies, Side Effects and Alternatives

Infectious Disease and Contaminants in Urban Wildlife: Unseen and Often Overlooked Threats

Identification of Δ6‐unsaturated, monoenyl type I pheromone compounds from the cashew stem borer Anthistarcha binocularis (Lepidoptera: Gelechiidae)

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