Field-realistic neonicotinoid exposure has sub-lethal effects on non-Apis bees: A meta-analysis,Ecology Letters

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Field-realistic neonicotinoid exposure has sub-lethal effects on non-Apis bees: A meta-analysis
Ecology Letters ( IF 7.6 ) Pub Date : 2021-09-06 , DOI: 10.1111/ele.13873
Harry Siviter ₁ , Sarah K Richman ₂ , Felicity Muth ₁

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Neonicotinoid insecticides can have sub-lethal effects on bees which has led to calls from conservationists for a global ban. In contrast, agrochemical companies argue that neonicotinoids do not harm honeybees at field-realistic levels. However, the focus on honeybees neglects the potential impact on other bee species. We conducted a meta-analysis to assess whether field-realistic neonicotinoid exposure has sub-lethal effects on non-Apis bees. We extracted data from 53 papers (212 effects sizes) and found that it largely consisted of two genera: bumblebees (Bombus) and mason bees (Osmia), highlighting a substantial taxonomic knowledge gap. Neonicotinoid exposure negatively affected reproductive output across all bees and impaired bumblebee colony growth and foraging. Neonicotinoids also reduced Bombus, but not Osmia, individual development (growth and body size). Our results suggest that restrictions on neonicotinoids should benefit bee populations and highlight that the current regulatory process does not safeguard pollinators from the unwanted consequences of insecticide use.

中文翻译：

现场真实的新烟碱暴露对非 Apis 蜜蜂具有亚致死作用：荟萃分析

新烟碱类杀虫剂可能对蜜蜂产生亚致死作用，这导致环保主义者呼吁全球禁止。相比之下，农化公司辩称，新烟碱类不会在田间实际水平上伤害蜜蜂。然而，对蜜蜂的关注忽略了对其他蜜蜂物种的潜在影响。我们进行了一项荟萃分析，以评估现场真实的新烟碱暴露是否对非蜜蜂有亚致死作用。我们从 53 篇论文（212 个效应大小）中提取数据，发现它主要由两个属组成：大黄蜂 ( Bombus)和梅森蜜蜂 ( Osmia)，突出了巨大的分类学知识差距。新烟碱暴露对所有蜜蜂的生殖产量产生负面影响，并损害大黄蜂群的生长和觅食。新烟碱类还降低了Bombus，但不是Osmia，个体发育（生长和体型）。我们的结果表明，对新烟碱类物质的限制应该有利于蜜蜂种群，并强调当前的监管程序并不能保护传粉者免受使用杀虫剂的不良后果的影响。

更新日期：2021-11-11

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