Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case

The aim of this study is to draw a retrospective analysis on the lethality of imidacloprid (Gaucho®) and fipronil (Régent® TS) on Apis mellifera between 1992 and 2016 in France. Early monitoring reports in the 1992-2002 period notified these two embedded insecticides to be at the origin of massive c...

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Main Author: Mestres Lóbez, Isaac
Format: Article
Language:deu
Published: Julius Kühn-Institut 2020-05-01
Series:Julius-Kühn-Archiv
Subjects:
Online Access:https://www.openagrar.de/receive/openagrar_mods_00059816
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author Mestres Lóbez, Isaac
author_facet Mestres Lóbez, Isaac
author_sort Mestres Lóbez, Isaac
collection DOAJ
description The aim of this study is to draw a retrospective analysis on the lethality of imidacloprid (Gaucho®) and fipronil (Régent® TS) on Apis mellifera between 1992 and 2016 in France. Early monitoring reports in the 1992-2002 period notified these two embedded insecticides to be at the origin of massive colony collapse disorders. Ecotoxicological analyses based on the LD50 of imidacloprid and fipronil highlighted their differential lethality by both contact (imidacloprid: 81 ng/honeybee vs fipronil: 5,9 ng/honeybee) and ingestion (imidacloprid: 3,7 ng/honeybee vs fipronil: 4,2 ng/honeybee) but failed to point imidacloprid’s high solubility as a higher lethal agent. Chemical properties and action mode of these two insecticides originated neural disfunction in the case of imidacloprid, and honeybee brood immune depression for fipronil. Despite the conduction of these monitoring reports and laboratory researches, Fipronil was completely banned in 2005 but Imidacloprid only in 2016.
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spelling doaj.art-ec98e649b6194fa0b48ed5f0bb3c69b82024-01-23T05:39:55ZdeuJulius Kühn-InstitutJulius-Kühn-Archiv1868-98922199-921X2020-05-01465596210.5073/jka.2020.465.023Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case Mestres Lóbez, Isaac 0Brussels, BelgiumThe aim of this study is to draw a retrospective analysis on the lethality of imidacloprid (Gaucho®) and fipronil (Régent® TS) on Apis mellifera between 1992 and 2016 in France. Early monitoring reports in the 1992-2002 period notified these two embedded insecticides to be at the origin of massive colony collapse disorders. Ecotoxicological analyses based on the LD50 of imidacloprid and fipronil highlighted their differential lethality by both contact (imidacloprid: 81 ng/honeybee vs fipronil: 5,9 ng/honeybee) and ingestion (imidacloprid: 3,7 ng/honeybee vs fipronil: 4,2 ng/honeybee) but failed to point imidacloprid’s high solubility as a higher lethal agent. Chemical properties and action mode of these two insecticides originated neural disfunction in the case of imidacloprid, and honeybee brood immune depression for fipronil. Despite the conduction of these monitoring reports and laboratory researches, Fipronil was completely banned in 2005 but Imidacloprid only in 2016.https://www.openagrar.de/receive/openagrar_mods_00059816apis melliferaimidaclopridfipronilmonitoringcolony collapse disorderld50
spellingShingle Mestres Lóbez, Isaac
Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
Julius-Kühn-Archiv
apis mellifera
imidacloprid
fipronil
monitoring
colony collapse disorder
ld50
title Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
title_full Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
title_fullStr Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
title_full_unstemmed Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
title_short Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case
title_sort lethality of imidacloprid and fipronil on apis mellifera a retrospective on the french case
topic apis mellifera
imidacloprid
fipronil
monitoring
colony collapse disorder
ld50
url https://www.openagrar.de/receive/openagrar_mods_00059816
work_keys_str_mv AT mestreslobezisaac lethalityofimidaclopridandfipronilonapismelliferaaretrospectiveonthefrenchcase