Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?

The recent global decline in insect populations is of particular concern for pollinators. Wild and managed bees (Hymenoptera, Apoidea) are of primary environmental and economic importance because of their role in pollinating cultivated and wild plants, and synthetic pesticides are among the major fa...

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Main Authors: Roberto Catania, Maria Augusta Pereira Lima, Michele Potrich, Fabio Sgolastra, Lucia Zappalà, Gaetana Mazzeo
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/14/3/247
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author Roberto Catania
Maria Augusta Pereira Lima
Michele Potrich
Fabio Sgolastra
Lucia Zappalà
Gaetana Mazzeo
author_facet Roberto Catania
Maria Augusta Pereira Lima
Michele Potrich
Fabio Sgolastra
Lucia Zappalà
Gaetana Mazzeo
author_sort Roberto Catania
collection DOAJ
description The recent global decline in insect populations is of particular concern for pollinators. Wild and managed bees (Hymenoptera, Apoidea) are of primary environmental and economic importance because of their role in pollinating cultivated and wild plants, and synthetic pesticides are among the major factors contributing to their decline. Botanical biopesticides may be a viable alternative to synthetic pesticides in plant defence due to their high selectivity and short environmental persistence. In recent years, scientific progress has been made to improve the development and effectiveness of these products. However, knowledge regarding their adverse effects on the environment and non-target species is still scarce, especially when compared to that of synthetic products. Here, we summarize the studies concerning the toxicity of botanical biopesticides on the different groups of social and solitary bees. We highlight the lethal and sublethal effects of these products on bees, the lack of a uniform protocol to assess the risks of biopesticides on pollinators, and the scarcity of studies on specific groups of bees, such as the large and diverse group of solitary bees. Results show that botanical biopesticides cause lethal effects and a large number of sublethal effects on bees. However, the toxicity is limited when comparing the effects of these compounds with those of synthetic compounds.
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spelling doaj.art-85c896667d4f4fbbbc5c594868fa9b5f2023-11-17T11:45:57ZengMDPI AGInsects2075-44502023-03-0114324710.3390/insects14030247Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?Roberto Catania0Maria Augusta Pereira Lima1Michele Potrich2Fabio Sgolastra3Lucia Zappalà4Gaetana Mazzeo5Dipartimento di Agricoltura, Alimentazione e Ambiente, Università degli Studi di Catania, 95123 Catania, ItalyDipartimento di Agricoltura, Alimentazione e Ambiente, Università degli Studi di Catania, 95123 Catania, ItalyLaboratório de Controle Biológico, Universidade Tecnológica Federal do Paraná—Dois Vizinhos (UTFPR-DV), Paraná 85660-000, BrazilDipartimento di Scienze e Tecnologie Agro-Alimentari, Alma Mater Studiorum Università di Bologna, 40127 Bologna, ItalyDipartimento di Agricoltura, Alimentazione e Ambiente, Università degli Studi di Catania, 95123 Catania, ItalyDipartimento di Agricoltura, Alimentazione e Ambiente, Università degli Studi di Catania, 95123 Catania, ItalyThe recent global decline in insect populations is of particular concern for pollinators. Wild and managed bees (Hymenoptera, Apoidea) are of primary environmental and economic importance because of their role in pollinating cultivated and wild plants, and synthetic pesticides are among the major factors contributing to their decline. Botanical biopesticides may be a viable alternative to synthetic pesticides in plant defence due to their high selectivity and short environmental persistence. In recent years, scientific progress has been made to improve the development and effectiveness of these products. However, knowledge regarding their adverse effects on the environment and non-target species is still scarce, especially when compared to that of synthetic products. Here, we summarize the studies concerning the toxicity of botanical biopesticides on the different groups of social and solitary bees. We highlight the lethal and sublethal effects of these products on bees, the lack of a uniform protocol to assess the risks of biopesticides on pollinators, and the scarcity of studies on specific groups of bees, such as the large and diverse group of solitary bees. Results show that botanical biopesticides cause lethal effects and a large number of sublethal effects on bees. However, the toxicity is limited when comparing the effects of these compounds with those of synthetic compounds.https://www.mdpi.com/2075-4450/14/3/247ecotoxicologypollinatorrisk assessmentsocial beessolitary beestoxicity
spellingShingle Roberto Catania
Maria Augusta Pereira Lima
Michele Potrich
Fabio Sgolastra
Lucia Zappalà
Gaetana Mazzeo
Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
Insects
ecotoxicology
pollinator
risk assessment
social bees
solitary bees
toxicity
title Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
title_full Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
title_fullStr Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
title_full_unstemmed Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
title_short Are Botanical Biopesticides Safe for Bees (Hymenoptera, Apoidea)?
title_sort are botanical biopesticides safe for bees hymenoptera apoidea
topic ecotoxicology
pollinator
risk assessment
social bees
solitary bees
toxicity
url https://www.mdpi.com/2075-4450/14/3/247
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