Toxicity and motor changes in Africanized honey bees (Apis mellifera L.) exposed to fipronil and imidacloprid

被引：20

作者：

Bovi, Thais S. ^{[1
]}

Zaluski, Rodrigo ^{[1
]}

Orsi, Ricardo O. ^{[1
,2
]}

机构：

[1] Univ Estadual Paulista UNESP, Fac Med Vet & Zootecnia, Dept Prod Anim, NECTAR, Dist Rubiao Jr S-N,Caixa Postal 560, BR-18618970 Botucatu, SP, Brazil

[2] Univ Estadual Paulista UNESP, Ctr Estudos Venenos & Anim Peconhentos, Rua Jose Barbosa de Barros 1780, BR-18610307 Botucatu, SP, Brazil

来源：

ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS | 2018年 / 90卷 / 01期

关键词：

environment; pesticides; pollinators; contamination; phenylpyrazoles; neonicotinoids; COLONY COLLAPSE DISORDER; LOADS;

D O I：

10.1590/0001-3765201820150191

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study evaluated the in vitro toxicity and motor activity changes in African-derived adult honey bees (Apis mellifera L.) exposed to lethal or sublethal doses of the insecticides fipronil and imidacloprid. Mortality of bees was assessed to determine the ingestion and contact lethal dose for 24 h using probit analysis. Motor activities in bees exposed to lethal (LD50) and sublethal doses (1/500th of the lethal dose) of both insecticides were evaluated in a behavioral observation box at 1 and 4 h. Ingestion and contact lethal doses of fipronil were 0.2316 +/- 0.0626 and 0.0080 +/- 0.0021 mu g/bee, respectively. Ingestion and contact lethal doses of imidacloprid were 0.1079 +/- 0.0375 and 0.0308 +/- 0.0218 mu g/bee, respectively. Motor function of bees exposed to lethal doses of fipronil and imidacloprid was impaired; exposure to sublethal doses of fipronil but not imidacloprid impaired motor function. The insecticides evaluated in this study were highly toxic to African-derived A. mellifera and caused impaired motor function in these pollinators.

引用

页码：239 / 245

页数：7

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