Cutler G Christopher, Scott-Dupree Cynthia D, Drexler David M
Department of Environmental Sciences, Dalhousie University, Truro, Nova Scotia, Canada.
Pest Manag Sci. 2014 May;70(5):779-83. doi: 10.1002/ps.3613. Epub 2013 Aug 19.
Neonicotinoid insecticides have been the target of much scrutiny as possible causes of recent declines observed in pollinator populations. Although neonicotinoids have been implicated in honey bee pesticide incidents, there has been little examination of incident report data. Here we summarize honey bee incident report data obtained from the Canadian Pest Management Regulatory Agency (PMRA).
In Canada, there were very few honey bee incidents reported in 2007-2011 and data were not collected prior to 2007. In 2012, a significant number of incidents were reported in the province of Ontario, where exposure to neonicotinoid dust during planting of corn was suspected to have caused the incident in up to 70% of cases. Most of these incidents were classified as 'minor' by the PMRA, and only six cases were considered 'moderate' or 'major'. In that same year, there were over three times as many moderate or major incidents due to older non-neonicotinoid pesticides, involving numbers of hives or bees far greater than the number of moderate or major incidents suspected to be due to neonicotinoid poisoning.
These data emphasize that, while exposure of honey bees to neonicotinoid-contaminated dust during corn planting needs to be mitigated, other pesticides also pose a risk.
新烟碱类杀虫剂一直是人们密切关注的对象,被认为可能是导致近期传粉昆虫数量下降的原因。尽管新烟碱类杀虫剂与蜜蜂农药事件有关,但对事件报告数据的审查却很少。在此,我们总结了从加拿大有害生物管理监管局(PMRA)获得的蜜蜂事件报告数据。
在加拿大,2007 - 2011年报告的蜜蜂事件极少,且2007年之前未收集相关数据。2012年,安大略省报告了大量事件,怀疑在玉米种植期间接触新烟碱类粉尘导致了高达70%的此类事件。加拿大有害生物管理监管局将这些事件中的大多数归类为“轻微”,只有6起事件被视为“中度”或“严重”。同年,因使用较老的非新烟碱类农药导致的中度或严重事件数量是前者的三倍多,涉及的蜂箱或蜜蜂数量远远超过疑似由新烟碱类中毒导致的中度或严重事件数量。
这些数据强调,虽然需要减轻蜜蜂在玉米种植期间接触受新烟碱类污染粉尘的情况,但其他农药也构成风险。