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首页> 外文期刊>Pest Management Science >Effect of hexaflumuron on mortality of the Western subterranean termite (Isoptera:Rhinotermitidae) during and following exposure and movement of hexaflumuron in termite groups
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Effect of hexaflumuron on mortality of the Western subterranean termite (Isoptera:Rhinotermitidae) during and following exposure and movement of hexaflumuron in termite groups

机译：六氟鼠对白蚁群体六氟鼠的暴露和运动期间和之后，对西部地下白蚁（等翅目：犀牛科）的死亡率的影响

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The effects of hexaflumuron consumption on the mortality of workers of the Western subterranean termite,Reticulitermes hesperus Banks,were observed following various exposures to a substrate treated with ~14C-labeled hexaflumuron at 5gkg~(-1).Uptake of hexaflumuron by workers was rapid,peaking at approximately 280 ng hexaflumuron per termite 12 days after exposure.The onset of mortality began at day 8,with cumulative mortality reaching approximately 96% by day 45.Excretion of hexaflumuron from worker termites was rapid following various exposure periods,half-lives ranging from 2.1 to 4.7 days.Trophallaxis among worker termites was efficient,hexaflumuron levels in recipient termites approaching two-thirds of levels present in donor termites feeding continuously on hexaflumuron-treated filter paper.The effect of donor-to-recipient group ratios was negligible on the amounts of hexaflumuron transferred from donors to recipients.In laboratory tests,hexaflumuron diffused from a feeding source within 7 days.The presence of additional food sources appeared to inhibit movement of hexaflumuron.Movement of hexaflumuron by cannibalism and coprophagy occurred,but was significant only when termites were starved.Hexaflumuron also appeared to adversely affect egg development by preventing hatch.Hexaflumuron was readily transferred through termite groups,effectively suppressing laboratory populations of R hesperus.Variable efficacy in field situations employing baiting with hexaflumuron in southern California may be a consequence of sporadic feeding at bait stations,the rapid clearance of hexaflumuron from individual termites,and the difficulties in bait presentation (low foraging activity,poor bait station foraging fidelity) inherent in the foraging characteristics of the Western subterranean termite.
机译：在以14g标记的fluflumuron（5gkg〜（-1））处理了多种底物后，观察到六氟尿嘧啶摄入量对西部地下白蚁（Reticulitermes hesperus Banks）工人的死亡率的影响。 ，在接触后12天每只白蚁约280 ng六氟尿嘧啶。发病于第8天开始，到45天累积死亡率达到约96％。在各种接触时间后，工人白蚁的六氟尿嘧啶排泄迅速，半衰期范围为2.1到4.7天。工蚁之间的触角作用是有效的，接受白蚁中六氟尿嘧啶的水平接近在六氟尿嘧啶处理过的滤纸上连续喂食的供体白蚁中三分之二的水平。供体与受体组的比率的影响可以忽略不计。从供体转移到接受者的六氟尿嘧啶数量。在实验室测试中，六氟尿嘧啶从进食源扩散e在7天之内。其他食物来源的存在似乎会抑制六氟鼠尾草的运动。通过同类相食和共食性发生六氟鼠尾草的运动，但仅在饥饿白蚁时才有意义。六氟鼠尾草还似乎通过防止孵化而对卵的发育产生不利影响。在加利福尼亚州南部使用诱饵与六氟鼠疫在野外使用时，在诱饵站零食，零星地从个别白蚁中快速清除六氟鼠疫的结果可能是其后果，其在白蚁群中容易转移。西部地下白蚁觅食特征所固有的诱饵表现（低觅食活动，诱饵站保真度差）。

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