The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses

The present studies are the second part of the research project dedicated to finding the causes for increased winter mortality of honey bee colonies. The aim of this task was to investigate incidents of overwintered colonies′ death with regard to the potential interrelation to the exposure to pestic...

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Main Authors:	Pohorecka Krystyna, Szczęsna Teresa, Witek Monika, Miszczak Artur, Sikorski Piotr
Format:	Article
Language:	English
Published:	Sciendo 2017-06-01
Series:	Journal of Apicultural Science
Subjects:	bee bread beeswax honey bees honey/syrup stores pesticide residues winter honey bee colony losses
Online Access:	https://doi.org/10.1515/jas-2017-0013

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spelling	doaj-d02923cac8aa4a2388799d1a785d753b2021-09-06T19:40:25ZengSciendoJournal of Apicultural Science2299-48312017-06-0161110512510.1515/jas-2017-0013jas-2017-0013The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony LossesPohorecka Krystyna0Szczęsna Teresa1Witek Monika2Miszczak Artur3Sikorski Piotr4National Veterinary Research Institute, Department of Honeybee Diseases, Puławy, PolandResearch Institute of Horticulture, Apiculture Department, Puławy, PolandResearch Institute of Horticulture, Apiculture Department, Puławy, PolandResearch Institute of Horticulture, Food Safety Laboratory, Skierniewice, PolandResearch Institute of Horticulture, Food Safety Laboratory, Skierniewice, PolandThe present studies are the second part of the research project dedicated to finding the causes for increased winter mortality of honey bee colonies. The aim of this task was to investigate incidents of overwintered colonies′ death with regard to the potential interrelation to the exposure to pesticides. The samples of winter stores of bee bread and sugar food (honey or syrup processed by bees), beeswax and bees collected from apiaries with low and high rates of winter colony mortality were searched for acaricides used to control V. destructor and plant protection pesticides. The presence of acaricides used in apiculture has been detected in the 51% beeswax samples. The most abundant acaricide was tau-fluvalinate. The stores of bee bread and sugar food had a similar frequency of plant protection pesticide occurrence, ranging between 50-60%, but the number of active substances and their concentrations were substantially lower in sugar food samples. The most prevalent pesticides in pollen were fungicides (carbendazim and boscalid) and insecticides (acetamiprid and thiacloprid). Only a few pesticides were found in the several dead honey bees. The level of pesticide contamination (frequency, concentration, toxicity) of hive products and bees originating from apiaries with both a high and low winter colony survival rates, was similar, which created a similar extent of risk. Although the multiple varroacides and pesticides were present in the hive environment we not found unequivocal links between their residues and high winter colony mortality.https://doi.org/10.1515/jas-2017-0013bee breadbeeswaxhoney beeshoney/syrup storespesticide residueswinter honey bee colony losses
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Pohorecka Krystyna Szczęsna Teresa Witek Monika Miszczak Artur Sikorski Piotr
spellingShingle	Pohorecka Krystyna Szczęsna Teresa Witek Monika Miszczak Artur Sikorski Piotr The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses Journal of Apicultural Science bee bread beeswax honey bees honey/syrup stores pesticide residues winter honey bee colony losses
author_facet	Pohorecka Krystyna Szczęsna Teresa Witek Monika Miszczak Artur Sikorski Piotr
author_sort	Pohorecka Krystyna
title	The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses
title_short	The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses
title_full	The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses
title_fullStr	The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses
title_full_unstemmed	The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses
title_sort	exposure of honey bees to pesticide residues in the hive environment with regard to winter colony losses
publisher	Sciendo
series	Journal of Apicultural Science
issn	2299-4831
publishDate	2017-06-01
description	The present studies are the second part of the research project dedicated to finding the causes for increased winter mortality of honey bee colonies. The aim of this task was to investigate incidents of overwintered colonies′ death with regard to the potential interrelation to the exposure to pesticides. The samples of winter stores of bee bread and sugar food (honey or syrup processed by bees), beeswax and bees collected from apiaries with low and high rates of winter colony mortality were searched for acaricides used to control V. destructor and plant protection pesticides. The presence of acaricides used in apiculture has been detected in the 51% beeswax samples. The most abundant acaricide was tau-fluvalinate. The stores of bee bread and sugar food had a similar frequency of plant protection pesticide occurrence, ranging between 50-60%, but the number of active substances and their concentrations were substantially lower in sugar food samples. The most prevalent pesticides in pollen were fungicides (carbendazim and boscalid) and insecticides (acetamiprid and thiacloprid). Only a few pesticides were found in the several dead honey bees. The level of pesticide contamination (frequency, concentration, toxicity) of hive products and bees originating from apiaries with both a high and low winter colony survival rates, was similar, which created a similar extent of risk. Although the multiple varroacides and pesticides were present in the hive environment we not found unequivocal links between their residues and high winter colony mortality.
topic	bee bread beeswax honey bees honey/syrup stores pesticide residues winter honey bee colony losses
url	https://doi.org/10.1515/jas-2017-0013
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The Exposure of Honey Bees to Pesticide Residues in the Hive Environment with Regard to Winter Colony Losses

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