以 Tetramorium tsushimae(膜翅目:蚁科)为蚁群水平口服毒性试验中的蚂蚁控制剂对进口红火蚁 Solenopsis invicta(膜翅目:蚁科)建立后的控制效率

IF 1.3 4区 农林科学 Q2 ENTOMOLOGY
Hironori Sakamoto, Koichi Goka
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引用次数: 0

摘要

红火蚁(膜翅目:蚁科)作为外来入侵物种在世界范围内造成了严重的危害。自2000年代以来,该物种已将其范围扩大到环太平洋地区,自2017年以来,日本面临着多次引进。虽然迫切需要菌落水平的控制方法,但检测未确定物种的活菌落具有挑战性,特别是由于COVID-19大流行下的各种限制。在这里,我们提出了一种替代的长期毒性试验,使用人工菌落的tsushimae Emery(膜翅目:蚁科),日本本土物种,属于同一亚科(蚁科)。我们用氟虫腈进行了急性毒性试验,以确定对鱼绦虫是否适合作为致死性绦虫的替代品,结果发现对鱼绦虫的LD50值与致死性绦虫相近。然后,我们利用人工菌落对鱼绦虫进行了氟虫腈和两种昆虫生长调节剂(吡丙醚和乙toxazole)的长期毒性试验。氟虫腈处理菌落的所有工蜂和幼虫均在开始处理后3天内死亡。乙二唑处理和对照蜂群在18天后出现了新的工蚁,而吡丙醚处理的蜂群没有出现新的工蚁。结果表明,氟虫腈是蝇类孳生后防治的首选杀虫剂,而吡丙醚作为毒饵对蝇类孳生后防治效果较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Efficiency of ant-control agents in colony-level oral toxicity tests using Tetramorium tsushimae (Hymenoptera: Formicidae) for post-establishment control of the red imported fire ant, Solenopsis invicta (Hymenoptera: Formicidae)

Efficiency of ant-control agents in colony-level oral toxicity tests using Tetramorium tsushimae (Hymenoptera: Formicidae) for post-establishment control of the red imported fire ant, Solenopsis invicta (Hymenoptera: Formicidae)

The red imported fire ant Solenopsis invicta Buren (Hymenoptera: Formicidae) causes serious damage worldwide as an invasive alien species. The species has expanded its range to the Pacific Rim since 2000s and Japan has faced its multiple introductions since 2017. While colony-level control methods are urgently needed, testing living colonies of the unestablished species is challenging especially due to various restrictions under the COVID-19 pandemic. Here, we proposed alternative long-term toxicity assays using artificial colonies of Tetramorium tsushimae Emery (Hymenoptera: Formicidae), a Japanese native species belonging to the same subfamily (Myrmicinae) as S. invicta. We conducted an acute toxicity test to determine if T. tsushimae is a suitable substitute for S. invicta using fipronil and found the LD50 value in T. tsushimae was close to that in S. invicta. Then, we conducted the long-term toxicity test with fipronil and two insect growth regulators (pyriproxyfen and etoxazole) using artificial colonies of T. tsushimae. All workers and larvae in the fipronil-treated colonies died within 3 days of treatment initiation. Emergence of new workers was observed after 18 days in the etoxazole-treated and control colonies, but not in the pyriproxyfen-treated colonies. We concluded that fipronil was the most promising insecticide for post-establishment control, and pyriproxyfen was effective as a toxic-bait agent for colony-level control.

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来源期刊
CiteScore
2.70
自引率
7.70%
发文量
37
审稿时长
6-12 weeks
期刊介绍: Applied Entomology and Zoology publishes articles concerned with applied entomology, applied zoology, agricultural chemicals and pest control in English. Contributions of a basic and fundamental nature may be accepted at the discretion of the Editor. Manuscripts of original research papers, technical notes and reviews are accepted for consideration. No manuscript that has been published elsewhere will be accepted for publication.
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