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首页> 外文期刊>Environmental toxicology and chemistry >Effects of Exposure to Winter Oilseed Rape Grown from Thiamethoxam-Treated Seed on the Red Mason Bee Osmia bicornis
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Effects of Exposure to Winter Oilseed Rape Grown from Thiamethoxam-Treated Seed on the Red Mason Bee Osmia bicornis

机译：噻虫嗪处理过的种子对冬季油料油菜的暴露对红梅森蜜蜂渗透性的影响

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摘要

There has been increasing interest in the effects of neonicotinoid insecticides on wild bees. In solitary bee species the direct link between each individual female and reproductive success offers the opportunity to evaluate effects on individuals. The present study investigated effects of exposure to winter oilseed rape grown from thiamethoxam-treated seed on reproductive behavior and output of solitary red mason bees (Osmia bicornis) released in 6 pairs of fields over a 2-yr period and confined to tunnels in a single year. After adjustment to the number of females released, there was significantly lower production of cells and cocoons/female in tunnels than in open field conditions. This difference may be because of the lack of alternative forage within the tunnels. Under open field conditions, palynology of the pollen provisions within the nests demonstrated a maximum average of 31% oilseed rape pollen at any site, with Quercus (oak) contributing up to 86% of the pollen. There were no significant effects from exposure to oilseed rape grown from thiamethoxam-treated seed from nest establishment through cell production to emergence under tunnel or field conditions. (C) 2017 SETAC
机译：人们对新烟碱类杀虫剂对野生蜜蜂的影响越来越感兴趣。在单独的蜜蜂物种中，每个雌性个体与生殖成功之间的直接联系为评估对个体的影响提供了机会。本研究调查了暴露于噻虫嗪处理过的种子的冬季油菜对2年期在6对田中释放并局限于一次隧道中的单株红色梅森蜜蜂（Osmia bicornis）繁殖行为和产量的影响。年。调整释放的雌性数量后，隧道中的细胞和茧/雌性的产量明显低于野外条件。这种差异可能是由于隧道内没有其他草料。在露天条件下，巢内花粉供应的孢粉学显示，在任何地点，油籽油菜花粉的平均平均值最高为31％，栎树（橡木）占花粉的86％。暴露于噻虫嗪处理过的种子的油菜籽，从筑巢直到细胞繁殖到在隧道或田间条件下出现，都没有显着影响。 （C）2017年SETAC

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