Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil

Abstract Using the hoary squash bee (Peponapis pruinosa) as a model, we provide the first probabilistic risk assessment of exposure to systemic insecticides in soil for ground-nesting bees. To assess risk in acute and chronic exposure scenarios in Cucurbita and field crops, concentrations of clothia...

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Autores principales:	D. Susan Willis Chan, Ryan S. Prosser, Jose L. Rodríguez-Gil, Nigel E. Raine
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/de0ce0a1189944e9ab9b202ddabf5f54
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spelling	oai:doaj.org-article:de0ce0a1189944e9ab9b202ddabf5f542021-12-02T15:09:39ZAssessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil10.1038/s41598-019-47805-12045-2322https://doaj.org/article/de0ce0a1189944e9ab9b202ddabf5f542019-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-47805-1https://doaj.org/toc/2045-2322Abstract Using the hoary squash bee (Peponapis pruinosa) as a model, we provide the first probabilistic risk assessment of exposure to systemic insecticides in soil for ground-nesting bees. To assess risk in acute and chronic exposure scenarios in Cucurbita and field crops, concentrations of clothianidin, thiamethoxam and imidacloprid (neonicotinoids) and chlorantraniliprole (anthranilic diamide) in cropped soil were plotted to produce an environmental exposure distribution for each insecticide. The probability of exceedance of several exposure endpoints (LC50s) was compared to an acceptable risk threshold (5%). In Cucurbita crops, under acute exposure, risk to hoary squash bees was below 5% for honey bee LC50s for all residues evaluated but exceeded 5% for clothianidin and imidacloprid using a solitary bee LC50. For Cucurbita crops in the chronic exposure scenario, exposure risks for clothianidin and imidacloprid exceeded 5% for all endpoints, and exposure risk for chlorantraniliprole was below 5% for all endpoints. In field crops, risk to ground-nesting bees was high from clothianidin in all exposure scenarios and high for thiamethoxam and imidacloprid under chronic exposure scenarios. Risk assessments for ground-nesting bees should include exposure impacts from pesticides in soil and could use the hoary squash bee as an ecotoxicology model.D. Susan Willis ChanRyan S. ProsserJose L. Rodríguez-GilNigel E. RaineNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-13 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q D. Susan Willis Chan Ryan S. Prosser Jose L. Rodríguez-Gil Nigel E. Raine Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
description	Abstract Using the hoary squash bee (Peponapis pruinosa) as a model, we provide the first probabilistic risk assessment of exposure to systemic insecticides in soil for ground-nesting bees. To assess risk in acute and chronic exposure scenarios in Cucurbita and field crops, concentrations of clothianidin, thiamethoxam and imidacloprid (neonicotinoids) and chlorantraniliprole (anthranilic diamide) in cropped soil were plotted to produce an environmental exposure distribution for each insecticide. The probability of exceedance of several exposure endpoints (LC50s) was compared to an acceptable risk threshold (5%). In Cucurbita crops, under acute exposure, risk to hoary squash bees was below 5% for honey bee LC50s for all residues evaluated but exceeded 5% for clothianidin and imidacloprid using a solitary bee LC50. For Cucurbita crops in the chronic exposure scenario, exposure risks for clothianidin and imidacloprid exceeded 5% for all endpoints, and exposure risk for chlorantraniliprole was below 5% for all endpoints. In field crops, risk to ground-nesting bees was high from clothianidin in all exposure scenarios and high for thiamethoxam and imidacloprid under chronic exposure scenarios. Risk assessments for ground-nesting bees should include exposure impacts from pesticides in soil and could use the hoary squash bee as an ecotoxicology model.
format	article
author	D. Susan Willis Chan Ryan S. Prosser Jose L. Rodríguez-Gil Nigel E. Raine
author_facet	D. Susan Willis Chan Ryan S. Prosser Jose L. Rodríguez-Gil Nigel E. Raine
author_sort	D. Susan Willis Chan
title	Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
title_short	Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
title_full	Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
title_fullStr	Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
title_full_unstemmed	Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
title_sort	assessment of risk to hoary squash bees (peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/de0ce0a1189944e9ab9b202ddabf5f54
work_keys_str_mv	AT dsusanwillischan assessmentofrisktohoarysquashbeespeponapispruinosaandothergroundnestingbeesfromsystemicinsecticidesinagriculturalsoil AT ryansprosser assessmentofrisktohoarysquashbeespeponapispruinosaandothergroundnestingbeesfromsystemicinsecticidesinagriculturalsoil AT joselrodriguezgil assessmentofrisktohoarysquashbeespeponapispruinosaandothergroundnestingbeesfromsystemicinsecticidesinagriculturalsoil AT nigeleraine assessmentofrisktohoarysquashbeespeponapispruinosaandothergroundnestingbeesfromsystemicinsecticidesinagriculturalsoil
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Assessment of risk to hoary squash bees (Peponapis pruinosa) and other ground-nesting bees from systemic insecticides in agricultural soil

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