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首页> 外文期刊>Journal of Economic Entomology >Comparative Impact of Chitin Synthesis Inhibitor Baits and Non-repellent Liquid Termiticides on Subterranean Termite Colonies Over Foraging Distances: Colony Elimination Versus Localized Termite Exclusion
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Comparative Impact of Chitin Synthesis Inhibitor Baits and Non-repellent Liquid Termiticides on Subterranean Termite Colonies Over Foraging Distances: Colony Elimination Versus Localized Termite Exclusion

机译：几丁质合成抑制剂诱饵和非排斥性液态终止剂对近距离距离的底层菌落的比较影响：殖民地消除与局部白蚁排除相比

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摘要

This study evaluated the impact of a non-repellent liquid termiticide (fipronil) and a chitin synthesis inhibitor (CSI) termite bait (noviflumuron) on whole colonies of Coptotermes gestroi (Wasmann) (Blattodea: Isoptera: Rhinotermitidae) in laboratory conditions, over a 12-m foraging distance.The protocol simulated the implementation of remedial treatment of an infested structure, where the colony has multiple access routes, and where only a portion of the population was directly exposed to the treatment. Within 2 wk after the implementation of fipronil, all termites within 1.5 m away from the treatment died.The accumulation of cadavers near the treated area resulted in secondary repellency and the colonies avoided the treated area for the remaining 10 wk of the experiment, using alternative foraging galleries. At the end of the 12 wk, colonies exposed to fipronil did not have any difference in population size compared with control colonies. Comparatively, colonies exposed to noviflumuron had no change in foraging activity for the first approximate to 40 d, but then termites progressively ceased their activity throughout their foraging territory. By 12 wk, noviflumuron-exposed colonies were near-elimination, with only a few workers, soldiers remaining, and all colonies were eliminated by 95 d. This study shows that subterranean termite colonies with access to CSI baits are inevitably eliminated, regardless of the position of the bait, while colonies exposed to fipronil are only locally excluded from the area near the treatment, but may maintain their foraging activity in untreated areas, and retain their potential risk for structural damage in the long term.
机译：该研究评估了非排斥液态偶然（FIPRONIL）和一只丁蛋白合成抑制剂（CSI）白蚁诱饵（Noviflumuron）对Coptotmes Gestroi（Wasmann）（Blattodea：Isoptera：rhinotermitidae）的整个菌落的影响，在实验室条件下12-M锻造距离。该协议模拟了污染结构的补救治疗的实施，其中菌落具有多种接入路线，并且只有一部分群体直接暴露于治疗。在2周内在实施FIPRONIL之后，所有白蚁在1.5米之外远离治疗死亡。处理过的地区附近的尸体积累导致二次排斥性，菌落避免了剩余10周的实验的处理区域，使用替代觅食画廊。在12周结束时，与对照菌落相比，暴露于氟罗尼尔的菌落没有任何人口大小差异。相比之下，暴露于Noviflumuron的菌落没有改变前近似约为40d的觅食活性，但随后白蚁逐步停止它们在其觅食领域的活动。 12 WK，Noviflumuron暴露的菌落近乎消除，只有几名工人，剩余的士兵，并通过95天消除所有菌落。本研究表明，无论诱饵的位置如何，不可避免地消除了具有CSI Baits的底层白蚁菌落，而暴露于氟罗尼尔的菌落仅在治疗附近的区域局部被排除在局部，但可以保持未经处理的地区的觅食活动，并保持长期结构损伤的潜在风险。

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