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Chronic toxicity and biochemical response of Apis cerana cerana (Hymenoptera: Apidae) exposed to acetamiprid and propiconazole alone or combined

文献类型： 外文期刊

作者： Han, Wensu 1 ; Yang, Yemeng 1 ; Gao, Jinglin 1 ; Zhao, Dongxiang 1 ; Ren, Chengcai 3 ; Wang, Shijie 1 ; Zhao, Shan 1 ; Zh 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Bee Ind Technol Res Ctr, Haikou, Hainan, Peoples R China

3.Hainan Bosswell Agrichem Co Ltd, Haikou, Hainan, Peoples R China

关键词： Apis cerana cerana; Synergistic mortality; Detoxification enzymes; Physiological effects

期刊名称：ECOTOXICOLOGY （ 影响因子：2.823； 五年影响因子：2.958 ）

ISSN： 0963-9292

年卷期： 2019 年 28 卷 4 期

页码：

收录情况： SCI

摘要： Acetamiprid and ergosterol-inhibiting fungicide (EBI) are frequently applied to many flowering plants, while honey bees are pollinating agents or pollinators of the flowers. Hence honey bees are often exposed to these pesticides. But until now, the effects of theses combinations at field-realistic doses on honey bee health have been poorly investigated. In this study, we explore the synergistic mortality and some physiological effects in surviving honey bees after chronic oral exposure to acetamiprid and/or propiconazole in the laboratory. The results indicated that chronic combined exposure to acetamiprid and propiconazole produced a significant synergistic effect on mortality both for newly emerged bees (50% mortality in 7.2 days) and forager bees (50% mortality in 4.8 days). Honey bee weight of newly emerged bees was decreased after feeding food with a field concentration of acetamiprid and propiconazole, alone or combined for 10 days. Combination of acetamiprid and propiconazole also modulated the activities of P450s, GST and CAT in newly emerged bees and forager bees than either alone, but neither pesticide affected the activity of AChE. These results show that chronic combined exposure to pesticides of relatively low toxicity may caused severely physiological disruptions that could be potentially damaging for the honey bees.

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