Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.

The residue of imidacloprid in the nectar and pollens of the plants is toxic not only to adult honeybees but also the larvae. Our understanding of the risk of imidacloprid to larvae of the honeybees is still in a very early stage. In this study, the capped-brood, pupation and eclosion rates of the h...

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Autores principales:	En-Cheng Yang, Hui-Chun Chang, Wen-Yen Wu, Yu-Wen Chen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9b87265a594948a6a51a665bbec266e3
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id	oai:doaj.org-article:9b87265a594948a6a51a665bbec266e3
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spelling	oai:doaj.org-article:9b87265a594948a6a51a665bbec266e32021-11-18T08:08:43ZImpaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.1932-620310.1371/journal.pone.0049472https://doaj.org/article/9b87265a594948a6a51a665bbec266e32012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23166680/?tool=EBIhttps://doaj.org/toc/1932-6203The residue of imidacloprid in the nectar and pollens of the plants is toxic not only to adult honeybees but also the larvae. Our understanding of the risk of imidacloprid to larvae of the honeybees is still in a very early stage. In this study, the capped-brood, pupation and eclosion rates of the honeybee larvae were recorded after treating them directly in the hive with different dosages of imidacloprid. The brood-capped rates of the larvae decreased significantly when the dosages increased from 24 to 8000 ng/larva. However, there were no significant effects of DMSO or 0.4 ng of imidacloprid per larva on the brood-capped, pupation and eclosion rates. Although the sublethal dosage of imidacloprid had no effect on the eclosion rate, we found that the olfactory associative behavior of the adult bees was impaired if they had been treated with 0.04 ng/larva imidacloprid in the larval stage. These results demonstrate that a sublethal dosage of imidacloprid given to the larvae affects the subsequent associative ability of the adult honeybee workers. Thus, a low dose of imidacloprid may affect the survival condition of the entire colony, even though the larvae survive to adulthood.En-Cheng YangHui-Chun ChangWen-Yen WuYu-Wen ChenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 11, p e49472 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q En-Cheng Yang Hui-Chun Chang Wen-Yen Wu Yu-Wen Chen Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
description	The residue of imidacloprid in the nectar and pollens of the plants is toxic not only to adult honeybees but also the larvae. Our understanding of the risk of imidacloprid to larvae of the honeybees is still in a very early stage. In this study, the capped-brood, pupation and eclosion rates of the honeybee larvae were recorded after treating them directly in the hive with different dosages of imidacloprid. The brood-capped rates of the larvae decreased significantly when the dosages increased from 24 to 8000 ng/larva. However, there were no significant effects of DMSO or 0.4 ng of imidacloprid per larva on the brood-capped, pupation and eclosion rates. Although the sublethal dosage of imidacloprid had no effect on the eclosion rate, we found that the olfactory associative behavior of the adult bees was impaired if they had been treated with 0.04 ng/larva imidacloprid in the larval stage. These results demonstrate that a sublethal dosage of imidacloprid given to the larvae affects the subsequent associative ability of the adult honeybee workers. Thus, a low dose of imidacloprid may affect the survival condition of the entire colony, even though the larvae survive to adulthood.
format	article
author	En-Cheng Yang Hui-Chun Chang Wen-Yen Wu Yu-Wen Chen
author_facet	En-Cheng Yang Hui-Chun Chang Wen-Yen Wu Yu-Wen Chen
author_sort	En-Cheng Yang
title	Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
title_short	Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
title_full	Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
title_fullStr	Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
title_full_unstemmed	Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
title_sort	impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/9b87265a594948a6a51a665bbec266e3
work_keys_str_mv	AT enchengyang impairedolfactoryassociativebehaviorofhoneybeeworkersduetocontaminationofimidaclopridinthelarvalstage AT huichunchang impairedolfactoryassociativebehaviorofhoneybeeworkersduetocontaminationofimidaclopridinthelarvalstage AT wenyenwu impairedolfactoryassociativebehaviorofhoneybeeworkersduetocontaminationofimidaclopridinthelarvalstage AT yuwenchen impairedolfactoryassociativebehaviorofhoneybeeworkersduetocontaminationofimidaclopridinthelarvalstage
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Impaired olfactory associative behavior of honeybee workers due to contamination of imidacloprid in the larval stage.

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