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Di Noi A, Caliani I, D'Agostino A, Cai G, Romi M, Campani T, Ferrante F, Baracchi D, Casini S. Assessing the effects of a commercial fungicide and an herbicide, alone and in combination, on Apis mellifera: Insights from biomarkers and cognitive analysis. CHEMOSPHERE 2024; 359:142307. [PMID: 38734252 DOI: 10.1016/j.chemosphere.2024.142307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 02/20/2024] [Accepted: 05/09/2024] [Indexed: 05/13/2024]
Abstract
Agrochemicals play a vital role in protecting crops and enhancing agricultural production by reducing threats from pests, pathogens and weeds. The toxicological status of honey bees can be influenced by a number of factors, including pesticides. While extensive research has focused on the lethal and sublethal effects of insecticides on individual bees and colonies, it is important to recognise that fungicides and herbicides can also affect bees' health. Unfortunately, in the field, honey bees are exposed to mixtures of compounds rather than single substances. This study aimed to evaluate the effects of a commercial fungicide and a commercial herbicide, both individually and in combination, on honey bees. Mortality assays, biomarkers and learning and memory tests were performed, and the results were integrated to assess the toxicological status of honey bees. Neurotoxicity (acetylcholinesterase and carboxylesterase activities), detoxification and metabolic processes (glutathione S-transferase and alkaline phosphatase activities), immune system function (lysozyme activity and haemocytes count) and genotoxicity biomarkers (Nuclear Abnormalities assay) were assessed. The fungicide Sakura® was found to activate detoxification enzymes and affect alkaline phosphatase activity. The herbicide Elegant 2FD and the combination of both pesticides showed neurotoxic effects and induced detoxification processes. Exposure to the herbicide/fungicide mixture impaired learning and memory in honey bees. This study represents a significant advance in understanding the toxicological effects of commonly used commercial pesticides in agriculture and contributes to the development of effective strategies to mitigate their adverse effects on non-target insects.
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Affiliation(s)
- Agata Di Noi
- Department of Life Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy
| | - Ilaria Caliani
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy.
| | - Antonella D'Agostino
- Department of Economics and Statistics, University of Siena, Piazza S. Francesco 7, 53100 Siena, Italy
| | - Giampiero Cai
- Department of Life Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy
| | - Marco Romi
- Department of Life Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy
| | - Tommaso Campani
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy
| | - Federico Ferrante
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100 6, Viterbo, Italy
| | - David Baracchi
- Department of Biology, University of Florence, Via Madonna del Piano, 6, Sesto Fiorentino, 50019, Italy
| | - Silvia Casini
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli, 4, Siena, 53100, Italy
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2
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Mamy L, Pesce S, Sanchez W, Aviron S, Bedos C, Berny P, Bertrand C, Betoulle S, Charles S, Chaumot A, Coeurdassier M, Coutellec MA, Crouzet O, Faburé J, Fritsch C, Gonzalez P, Hedde M, Leboulanger C, Margoum C, Mougin C, Munaron D, Nélieu S, Pelosi C, Rault M, Sucré E, Thomas M, Tournebize J, Leenhardt S. Impacts of neonicotinoids on biodiversity: a critical review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-31032-3. [PMID: 38036909 DOI: 10.1007/s11356-023-31032-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 11/08/2023] [Indexed: 12/02/2023]
Abstract
Neonicotinoids are the most widely used class of insecticides in the world, but they have raised numerous concerns regarding their effects on biodiversity. Thus, the objective of this work was to do a critical review of the contamination of the environment (soil, water, air, biota) by neonicotinoids (acetamiprid, clothianidin, imidacloprid, thiacloprid, thiamethoxam) and of their impacts on terrestrial and aquatic biodiversity. Neonicotinoids are very frequently detected in soils and in freshwater, and they are also found in the air. They have only been recently monitored in coastal and marine environments, but some studies already reported the presence of imidacloprid and thiamethoxam in transitional or semi-enclosed ecosystems (lagoons, bays, and estuaries). The contamination of the environment leads to the exposure and to the contamination of non-target organisms and to negative effects on biodiversity. Direct impacts of neonicotinoids are mainly reported on terrestrial invertebrates (e.g., pollinators, natural enemies, earthworms) and vertebrates (e.g., birds) and on aquatic invertebrates (e.g., arthropods). Impacts on aquatic vertebrate populations and communities, as well as on microorganisms, are less documented. In addition to their toxicity to directly exposed organisms, neonicotinoid induce indirect effects via trophic cascades as demonstrated in several species (terrestrial and aquatic invertebrates). However, more data are needed to reach firmer conclusions and to get a clearer picture of such indirect effects. Finally, we identified specific knowledge gaps that need to be filled to better understand the effects of neonicotinoids on terrestrial, freshwater, and marine organisms, as well as on ecosystem services associated with these biotas.
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Affiliation(s)
- Laure Mamy
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France.
| | | | | | | | - Carole Bedos
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Philippe Berny
- UR ICE Vetagro Sup, Campus Vétérinaire, 69280, Marcy‑L'Etoile, France
| | - Colette Bertrand
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, Normandie Université, ULH, INERIS, SEBIO, 51100, Reims, France
| | | | | | - Michael Coeurdassier
- Laboratoire Chrono-Environnement, UMR 6249 CNRS-Université de Franche-Comté, 25000, Besançon, France
| | - Marie-Agnès Coutellec
- DECOD (Ecosystem Dynamics and Sustainability), INRAE, L'Institut Agro, Ifremer, 35042, Rennes, France
| | - Olivier Crouzet
- OFB, Direction de la Recherche et Appui Scientifique (DRAS), 78610, Auffargis, France
| | - Juliette Faburé
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Clémentine Fritsch
- Laboratoire Chrono-Environnement, UMR 6249 CNRS-Université de Franche-Comté, 25000, Besançon, France
| | - Patrice Gonzalez
- CNRS, Bordeaux INP, EPOC, UMR 5805, Univ. Bordeaux, 33600, Pessac, France
| | - Mickael Hedde
- Eco&Sols, Univ. Montpellier, INRAE, IRD, CIRAD, Institut Agro Montpellier, 34060, Montpellier, France
| | | | | | - Christian Mougin
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Sylvie Nélieu
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Céline Pelosi
- INRAE, Avignon Université, UMR EMMAH, 84000, Avignon, France
| | - Magali Rault
- Université d'Avignon, Université Aix-Marseille, CNRS, IRD, IMBE, Pôle Agrosciences, 84916, Avignon, France
| | - Elliott Sucré
- MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, 34200, Sète, France
- Centre Universitaire de Formation Et de Recherche de Mayotte (CUFR), 97660, Dembeni, Mayotte, France
| | - Marielle Thomas
- Université de Lorraine, INRAE, UR AFPA, 54000, Nancy, France
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3
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Kenna D, Graystock P, Gill RJ. Toxic temperatures: Bee behaviours exhibit divergent pesticide toxicity relationships with warming. GLOBAL CHANGE BIOLOGY 2023; 29:2981-2998. [PMID: 36944569 DOI: 10.1111/gcb.16671] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 02/01/2023] [Accepted: 02/20/2023] [Indexed: 05/03/2023]
Abstract
Climate change and agricultural intensification are exposing insect pollinators to temperature extremes and increasing pesticide usage. Yet, we lack good quantification of how temperature modulates the sublethal effects of pesticides on behaviours vital for fitness and pollination performance. Consequently, we are uncertain if warming decreases or increases the severity of different pesticide impacts, and whether separate behaviours vary in the direction of response. Quantifying these interactive effects is vital in forecasting pesticide risk across climate regions and informing pesticide application strategies and pollinator conservation. This multi-stressor study investigated the responses of six functional behaviours of bumblebees when exposed to either a neonicotinoid (imidacloprid) or a sulfoximine (sulfoxaflor) across a standardised low, mid, and high temperature. We found the neonicotinoid had a significant effect on five of the six behaviours, with a greater effect at the lower temperature(s) when measuring responsiveness, the likelihood of movement, walking rate, and food consumption rate. In contrast, the neonicotinoid had a greater impact on flight distance at the higher temperature. Our findings show that different organismal functions can exhibit divergent thermal responses, with some pesticide-affected behaviours showing greater impact as temperatures dropped, and others as temperatures rose. We must therefore account for environmental context when determining pesticide risk. Moreover, we found evidence of synergistic effects, with just a 3°C increase causing a sudden drop in flight performance, despite seeing no effect of pesticide at the two lower temperatures. Our findings highlight the importance of multi-stressor studies to quantify threats to insects, which will help to improve dynamic evaluations of population tipping points and spatiotemporal risks to biodiversity across different climate regions.
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Affiliation(s)
- Daniel Kenna
- Georgina Mace Centre for the Living Planet, Department of Life Sciences, Imperial College London, Berkshire, UK
| | - Peter Graystock
- Georgina Mace Centre for the Living Planet, Department of Life Sciences, Imperial College London, Berkshire, UK
| | - Richard J Gill
- Georgina Mace Centre for the Living Planet, Department of Life Sciences, Imperial College London, Berkshire, UK
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4
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Barascou L, Godeau U, Pioz M, Martin O, Sené D, Crauser D, Le Conte Y, Alaux C. Real-time monitoring of honeybee colony daily activity and bee loss rates can highlight the risk posed by a pesticide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 886:163928. [PMID: 37156377 DOI: 10.1016/j.scitotenv.2023.163928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/25/2023] [Accepted: 04/29/2023] [Indexed: 05/10/2023]
Abstract
Information on honeybee foraging performance and especially bee loss rates at the colony level are crucial for evaluating the magnitude of effects due to pesticide exposure, thereby ensuring that protection goals for honeybee colonies are met (i.e. threshold of acceptable effects). However, current methods for monitoring honeybee foraging activity and mortality are very approximate (visual records) or are time-limited and mostly based on single cohort analysis. We therefore assess the potential of bee counters, that enable a colony-level and continuous monitoring of bee flight activity and mortality, in pesticide risk assessment. After assessing the background activity and bee loss rates, we exposed colonies to two concentrations of sulfoxaflor (a neurotoxic insecticide) in sugar syrup: a concentration that was considered to be field realistic (0.59 μg/ml) and a higher concentration (2.36 μg/ml) representing a worst-case exposure scenario. We did not find any effect of the field-realistic concentration on flight activity and bee loss rates. However, a two-fold decrease in daily flight activity and a 10-fold increase in daily bee losses were detected in colonies exposed to the highest sulfoxaflor concentration as compared to before exposure. When compared to the theoretical trigger values associated with the specific protection goal of 7 % colony-size reduction, the observed fold changes in daily bee losses were often found to be at risk for colonies. In conclusion, the real-time and colony-level monitoring of bee loss rates, combined with threshold values indicating at which levels bee loss rates threaten the colony, have great potential for improving regulatory pesticide risk assessments for honeybees under field conditions.
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Affiliation(s)
| | | | | | - Olivier Martin
- INRAE, Biostatistique et processus Spatiaux, Avignon, France
| | - Deborah Sené
- INRAE, Abeilles et Environnement, Avignon, France
| | | | | | - Cedric Alaux
- INRAE, Abeilles et Environnement, Avignon, France
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5
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Moreira DR, de Souza THS, Galhardo D, Puentes SMD, Figueira CL, Silva BGD, Chagas FD, Gigliolli AAS, de Toledo VDAA, Ruvolo-Takasusuki MCC. Imidacloprid Induces Histopathological Damage in the Midgut, Ovary, and Spermathecal Stored Spermatozoa of Queens After Chronic Colony Exposure. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:1637-1648. [PMID: 35344213 DOI: 10.1002/etc.5332] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/18/2022] [Accepted: 03/21/2022] [Indexed: 06/14/2023]
Abstract
Bee colony health is declining as a result of several factors, including exposure to pesticides. The development and strength of honey bee colonies depend on the reproductive success of queen bees. Because flowers are sources of food for bees, foragers can accidentally collect and carry contaminated pollen and nectar to their hives; and this may compromise the longevity and the life span of individuals. Thus, the present study aimed to observe the action of imidacloprid in the midgut and ovaries of Apis mellifera queens, as well as the effects on sperm stored in their spermatheca. To this end, the apiary was divided into three experimental groups: control, commercial imidacloprid, and active ingredient imidacloprid. For toxicity assays, a sucrose solution containing 1 µg/L of imidacloprid was offered to the colonies for 42 days. A control group received only food in the same period. In both treatments with imidacloprid, the midgut of queens showed modifications in the external musculature and cellular alterations. Such changes could lead to the nonrecovery of the epithelium and subsequently malabsorption of nutrients. Moreover, the digestive cells of queen bees exposed to the commercial imidacloprid presented pyknotic nuclei, suggesting a cell death process. The main alterations observed in the ovaries of these reproductive bees treated with commercial imidacloprid were degeneration and resorption of the ovariole content, which probably affected their fertilization and colony development. There were no significant changes in the spermatozoa morphology for both treatments with imidacloprid, but this insecticide may interfere with the development and reproductive success of A. mellifera colonies because it affects the morphology and function of essential organs for the survival of queens. Environ Toxicol Chem 2022;41:1637-1648. SETAC.
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Affiliation(s)
- Daiani Rodrigues Moreira
- Department of Biotechnology, Genetics and Cell Biology, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | | | - Douglas Galhardo
- Department of Animal Science, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | | | - Cinthia Leão Figueira
- Department of Animal Science, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | - Breno Gabriel da Silva
- Department of Exact Sciences, Escola Superior de Agricultura "Luiz de Queiroz"-Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Francieli das Chagas
- Department of Biotechnology, Genetics and Cell Biology, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
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6
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Colin T, Warren RJ, Quarrell SR, Allen GR, Barron AB. Evaluating the foraging performance of individual honey bees in different environments with automated field
RFID
systems. Ecosphere 2022. [DOI: 10.1002/ecs2.4088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Théotime Colin
- School of Life and Environmental Sciences The University of Sydney Sydney New South Wales Australia
- Department of Biological Sciences Macquarie University Sydney New South Wales Australia
| | - Ryan J. Warren
- Tasmanian Institute of Agriculture University of Tasmania Hobart Tasmania Australia
| | - Stephen R. Quarrell
- Tasmanian Institute of Agriculture University of Tasmania Hobart Tasmania Australia
| | - Geoff R. Allen
- Tasmanian Institute of Agriculture University of Tasmania Hobart Tasmania Australia
| | - Andrew B. Barron
- Department of Biological Sciences Macquarie University Sydney New South Wales Australia
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7
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A derived honey bee stock confers resistance to Varroa destructor and associated viral transmission. Sci Rep 2022; 12:4852. [PMID: 35393440 PMCID: PMC8989980 DOI: 10.1038/s41598-022-08643-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 02/23/2022] [Indexed: 12/11/2022] Open
Abstract
The ectoparasite Varroa destructor is the greatest threat to managed honey bee (Apis mellifera) colonies globally. Despite significant efforts, novel treatments to control the mite and its vectored pathogens have shown limited efficacy, as the host remains naïve. A prospective solution lies in the development of Varroa-resistant honey bee stocks, but a paucity of rigorous selection data restricts widespread adoption. Here, we characterise the parasite and viral dynamics of a Varroa-resistant honey bee stock, designated ‘Pol-line’, using a large-scale longitudinal study. Results demonstrate markedly reduced Varroa levels in this stock, diminished titres of three major viruses (DWV-A, DWV-B, and CBPV), and a two-fold increase in survival. Levels of a fourth virus that is not associated with Varroa—BQCV—do not differ between stocks, supporting a disruption of the transmission pathway. Further, we show that when decoupled from the influence of Varroa levels, viral titres do not constitute strong independent predictors of colony mortality risk. These findings highlight the need for a reassessment of Varroa etiology, and suggest that derived stocks represent a tractable solution to the Varroa pandemic.
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8
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Barascou L, Brunet JL, Belzunces L, Decourtye A, Henry M, Fourrier J, Le Conte Y, Alaux C. Pesticide risk assessment in honeybees: Toward the use of behavioral and reproductive performances as assessment endpoints. CHEMOSPHERE 2021; 276:130134. [PMID: 33690036 DOI: 10.1016/j.chemosphere.2021.130134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
The growing gap between new evidence of pesticide toxicity in honeybees and conventional toxicological assays recommended by regulatory test guidelines emphasizes the need to complement current lethal endpoints with sublethal endpoints. In this context, behavioral and reproductive performances have received growing interest since the 2000s, likely due to their ecological relevance and/or the emergence of new technologies. We review the biological interests and methodological measurements of these predominantly studied endpoints and discuss their possible use in the pesticide risk assessment procedure based on their standardization level, simplicity and ecological relevance. It appears that homing flights and reproduction have great potential for pesticide risk assessment, mainly due to their ecological relevance. If exploratory research studies in ecotoxicology have paved the way toward a better understanding of pesticide toxicity in honeybees, the next objective will then be to translate the most relevant behavioral and reproductive endpoints into regulatory test methods. This will require more comparative studies and improving their ecological relevance. This latter goal may be facilitated by the use of population dynamics models for scaling up the consequences of adverse behavioral and reproductive effects from individuals to colonies.
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Affiliation(s)
- Lena Barascou
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France.
| | - Jean-Luc Brunet
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France
| | - Luc Belzunces
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France
| | - Axel Decourtye
- UMT PrADE, Avignon, France; ITSAP-Institut de L'abeille, Avignon, France
| | - Mickael Henry
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France
| | - Julie Fourrier
- UMT PrADE, Avignon, France; ITSAP-Institut de L'abeille, Avignon, France
| | - Yves Le Conte
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France
| | - Cedric Alaux
- INRAE, Abeilles et Environnement, Avignon, France; UMT PrADE, Avignon, France.
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9
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Abati R, Sampaio AR, Maciel RMA, Colombo FC, Libardoni G, Battisti L, Lozano ER, Ghisi NDC, Costa-Maia FM, Potrich M. Bees and pesticides: the research impact and scientometrics relations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-14224-7. [PMID: 33961189 DOI: 10.1007/s11356-021-14224-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
Bees are fundamental insects in agroecosystems, mainly due to pollination. However, its decline has been observed in recent years, and the contamination by pesticides is suspected to be responsible. This relationship is the objective of our research, which is the first scientometric study on this subject. The data were obtained from the Web of Science database (1231) and were analyzed using Microsoft Office Excel and CiteSpace. The results point to a significant increase in pesticide and bee reseach in the last 15 years in the most influential scientific journals. The USA and France have the largest number of publications and a moderade relationship between this trait and GDP (gross domestic product) was observed (r = 0.80; r2 = 0.60). There is no correlation between the use of pesticides and studies of the effects on pollinators and the use of pesticides and the countries' GDP. In general, studies have shown the negative effects of the contamination by pesticides on bees; however, most publications are with bees of the Apis genus, and therefore it is necessary to explore the action of pesticides on bumble bees and wild bees, as well furthur as studies are needed regarding the sublethal effects of these products on bees as the number of molecules used in the management of agricultural crops is vast.
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Affiliation(s)
- Raiza Abati
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Amanda Roberta Sampaio
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Rodrigo Mendes Antunes Maciel
- Programa de Pós-Graduação em Entomologia, Universidade Federal do Paraná, Avenida Coronel Francisco Heráclito dos Santos, 100, Centro Politécnico - Jardim das Américas, Cx, 1903, CEP 81531-980, Curitiba, Paraná, Brasil
| | - Fernanda Caroline Colombo
- Programa de Pós-Graduação em Agronomia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Gabriela Libardoni
- Programa de Pós-Graduação em Agronomia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Lucas Battisti
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Everton Ricardi Lozano
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Nédia de Castilhos Ghisi
- Programa de Pós-Graduação em Biotecnologia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04, CEP 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Fabiana Martins Costa-Maia
- Programa de Pós-Graduação em Zootecnia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04, CEP 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Michele Potrich
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil.
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10
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Review on Sublethal Effects of Environmental Contaminants in Honey Bees ( Apis mellifera), Knowledge Gaps and Future Perspectives. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18041863. [PMID: 33672936 PMCID: PMC7918799 DOI: 10.3390/ijerph18041863] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/03/2021] [Accepted: 02/10/2021] [Indexed: 12/22/2022]
Abstract
Honey bees and the pollination services they provide are fundamental for agriculture and biodiversity. Agrochemical products and other classes of contaminants, such as trace elements and polycyclic aromatic hydrocarbons, contribute to the general decline of bees' populations. For this reason, effects, and particularly sublethal effects of contaminants need to be investigated. We conducted a review of the existing literature regarding the type of effects evaluated in Apis mellifera, collecting information about regions, methodological approaches, the type of contaminants, and honey bees' life stages. Europe and North America are the regions in which A. mellifera biological responses were mostly studied and the most investigated compounds are insecticides. A. mellifera was studied more in the laboratory than in field conditions. Through the observation of the different responses examined, we found that there were several knowledge gaps that should be addressed, particularly within enzymatic and molecular responses, such as those regarding the immune system and genotoxicity. The importance of developing an integrated approach that combines responses at different levels, from molecular to organism and population, needs to be highlighted in order to evaluate the impact of anthropogenic contamination on this pollinator species.
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11
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Annoscia D, Di Prisco G, Becchimanzi A, Caprio E, Frizzera D, Linguadoca A, Nazzi F, Pennacchio F. Neonicotinoid Clothianidin reduces honey bee immune response and contributes to Varroa mite proliferation. Nat Commun 2020; 11:5887. [PMID: 33208729 PMCID: PMC7675992 DOI: 10.1038/s41467-020-19715-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 10/23/2020] [Indexed: 12/27/2022] Open
Abstract
The neonicotinoid Clothianidin has a negative impact on NF-κB signaling and on immune responses controlled by this transcription factor, which can boost the proliferation of honey bee parasites and pathogens. This effect has been well documented for the replication of deformed wing virus (DWV) induced by Clothianidin in honey bees bearing an asymptomatic infection. Here, we conduct infestation experiments of treated bees to show that the immune-suppression exerted by Clothianidin is associated with an enhanced fertility of the parasitic mite Varroa destructor, as a possible consequence of a higher feeding efficiency. A conceptual model is proposed to describe the synergistic interactions among different stress agents acting on honey bees.
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Affiliation(s)
- Desiderato Annoscia
- Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, Università degli Studi di Udine, Udine, Italy
| | - Gennaro Di Prisco
- Dipartimento di Agraria, Laboratorio di Entomologia "E. Tremblay", Università degli Studi di Napoli "Federico II", Portici, Napoli, Italy
- CREA, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria, Centro di Ricerca Agricoltura e Ambiente, Bologna, Italy
| | - Andrea Becchimanzi
- Dipartimento di Agraria, Laboratorio di Entomologia "E. Tremblay", Università degli Studi di Napoli "Federico II", Portici, Napoli, Italy
| | - Emilio Caprio
- Dipartimento di Agraria, Laboratorio di Entomologia "E. Tremblay", Università degli Studi di Napoli "Federico II", Portici, Napoli, Italy
| | - Davide Frizzera
- Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, Università degli Studi di Udine, Udine, Italy
| | - Alberto Linguadoca
- Dipartimento di Agraria, Laboratorio di Entomologia "E. Tremblay", Università degli Studi di Napoli "Federico II", Portici, Napoli, Italy
- Department of Biological Sciences, Royal Holloway, University of London, London, UK
| | - Francesco Nazzi
- Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, Università degli Studi di Udine, Udine, Italy.
| | - Francesco Pennacchio
- Dipartimento di Agraria, Laboratorio di Entomologia "E. Tremblay", Università degli Studi di Napoli "Federico II", Portici, Napoli, Italy.
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Varroa destructor: how does it harm Apis mellifera honey bees and what can be done about it? Emerg Top Life Sci 2020; 4:45-57. [PMID: 32537655 PMCID: PMC7326341 DOI: 10.1042/etls20190125] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 12/23/2022]
Abstract
Since its migration from the Asian honey bee (Apis cerana) to the European honey bee (Apis mellifera), the ectoparasitic mite Varroa destructor has emerged as a major issue for beekeeping worldwide. Due to a short history of coevolution, the host–parasite relationship between A. mellifera and V. destructor is unbalanced, with honey bees suffering infestation effects at the individual, colony and population levels. Several control solutions have been developed to tackle the colony and production losses due to Varroa, but the burden caused by the mite in combination with other biotic and abiotic factors continues to increase, weakening the beekeeping industry. In this synthetic review, we highlight the main advances made between 2015 and 2020 on V. destructor biology and its impact on the health of the honey bee, A. mellifera. We also describe the main control solutions that are currently available to fight the mite and place a special focus on new methodological developments, which point to integrated pest management strategies for the control of Varroa in honey bee colonies.
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13
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ColEval: Honeybee COLony Structure EVALuation for Field Surveys. INSECTS 2020; 11:insects11010041. [PMID: 31948048 PMCID: PMC7023294 DOI: 10.3390/insects11010041] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/23/2019] [Accepted: 01/03/2020] [Indexed: 01/09/2023]
Abstract
Methods for the evaluation and comparison of the structure of numerous honeybee colonies are needed for the development of applied and fundamental field research, as well as to evaluate how the structure and activity of honeybee colonies evolve over time. ColEval complements existing methods, as it uses an online reference image bank for (human) learning and training purposes. ColEval is based on the evaluation of the surface area percentage occupied by different components of a honeybee colony: adult worker bees, open and capped brood, honey, nectar, and pollen. This method is an essential tool for the description of the evolution in the size of honeybee colonies. The procedure makes allowances for tendencies between different observers and uses them to calculate accurate measurements of honeybee colony evaluation. ColEval thus allows for a posteriori comparison of under- or over-evaluation made by different observers working on the same project; it is thus possible to eliminate observer bias in the measurements and to conduct large surveys.
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