Fenvalerate concentrations in the vegetation, insects, and small mammals of an old-field ecosystem

Rs, Bennett; Ee, Klaas; Coats,; Ej, Kolbe

doi:10.1007/bf01623584

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A Terrestrial Invertebrates1

B Mammals1

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1987

2024

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Cited by 4 publications

(2 citation statements)

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“…Field studies on populations of nontarget arthropods showed that ground dwelling species were not affected, while most foliar populations were reduced by fenvalerate treatment (Bennett 1983). Residue levels in arthropods in sprayed field plots were less than 0.5 ppm (Bennett et al 1986). …”

Section: A Terrestrial Invertebratesmentioning

confidence: 96%

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Comparative Toxicology of the Pyrethroid Insecticides

Bradbury¹,

Coats

1989

Reviews of Environmental Contamination and Toxicology

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278

142

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Section: A Terrestrial Invertebratesmentioning

confidence: 96%

“…Rodent residue levels from field studies have revealed only trace quantities in most samples (Bennett et al , 1986). …”

Section: B Mammalsmentioning

confidence: 98%

Comparative Toxicology of the Pyrethroid Insecticides

Bradbury¹,

Coats

1989

Reviews of Environmental Contamination and Toxicology

Self Cite

278

142

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Pesticide persistence on foliage

Willis

McDowell

1987

Reviews of Environmental Contamination and Toxicology

114

115

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Background: Foliage residue decline data are used to re ne the risk assessment for herbivorous birds and mammals foraging in elds treated with plant protection products. For evaluation, current EFSA guidance has a clear focus on single-rst order (SFO) kinetic models. However, other kinetic models are well established in other areas of environmental risk evaluations (eg, soil residue assessment), and easyto-use calculation tools have become available now. We provide case studies with 6 fungicides how such evaluations can be conducted with two of these tools (KinGUII and TREC) that have been developed by Bayer. Results: SFO kinetics provided the best ts only for 13 of 36 residue decline studies conducted in a standardized design under eld conditions. Biphasic models (double rst order in parallel, hockey stick) were often superior and sometimes more conservative for risk assessment. The additional effort is manageable when using software such as KinGUII and TREC, and appears justi ed by the more reliable outcome of the evaluations. Conclusions: Further research would be useful to better assess the extent to which non-SFO better ts foliage residue decline, but our study suggests that it may be a signi cant proportion. Therefore we encourage the use of biphasic models in the regulatory risk assessment for herbivorous birds and mammals, in the ongoing revision of the European Food Safety Authority (EFSA) guidance document from 2009.

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Fenvalerate

Martínez-López¹,

García-Fernández²

2024

Encyclopedia of Toxicology

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Fenvalerate concentrations in the vegetation, insects, and small mammals of an old-field ecosystem

Cited by 4 publications

References 13 publications

Comparative Toxicology of the Pyrethroid Insecticides

Comparative Toxicology of the Pyrethroid Insecticides

Pesticide persistence on foliage

Fenvalerate

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