吡虫啉对鞘翅目蝶形目幼虫（Laricobius (Coleoptera: Derodontidae)）地下存活率的影响，鞘翅目蝶形目幼虫（Laricobius (Coleoptera: Derodontidae)）是一种生物防治昆虫，半翅目（Hemiptera: Adelgidae）。

IF 1.6 3区农林科学 Q2 ENTOMOLOGY

Agricultural and Forest Entomology Pub Date : 2024-08-22 DOI:10.1111/afe.12647

Ashleigh P. Hillen, Jeremiah R. Foley, Aaron D. Gross, Albert E. Mayfield, Jacob Williams, Kang Xia, Scott M. Salom

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引用次数: 0

摘要

1.入侵性铁杉毛毡蝽（HWA）Adelges tsugae (Annand) (Hemiptera: Adelgidae)已遍布美国东部铁杉（Tsuga canandensis (L.)）的大部分分布区和卡罗莱纳铁杉（Tsuga caroliniana (Engelman)）的整个分布区。 HWA 的虫害综合防治（IPM）将化学应用与在同一林分内未处理过的树木上释放生物防治剂相结合。Laricobius spp., Rosenhauer (Coleoptera: Derodontidae) 自 2003 年以来一直被用作 HWA 的生物防治剂，其地下和树栖生活阶段与 HWA 的生命周期同步。实地调查通过量化吡虫啉及其代谢物的浓度，评估了过去（2017 年处理后五年）和最近（2020 年 11 月通过土壤注射、土壤淋洗和片剂）吡虫啉土壤处理对 Laricobius spp.地下存活率的影响，以确定其对成虫出土率的潜在影响。我们观察到，在近期施药地点，不同施药方法对平均土壤浓度有明显的影响，而在历史施药地点则没有。此外，在最近处理过的地点，土壤淋洗和片剂吡虫啉施用一年后（2021 年），观察到平均成虫出土率明显降低，但到第二年（2022 年），这种影响不再存在。这项研究支持最近提出的建议，即在使用吡虫啉处理一年后再释放 Laricobius spp.。此外，这些数据还表明，在已种植有幼虫的林地施用吡虫啉时，土壤注射技术对幼虫地下存活的风险最小。

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The impact of imidacloprid on the subterranean survivorship of Laricobius (Coleoptera: Derodontidae), a biological control agent of Adelges tsugae (Hemiptera: Adelgidae)

1. The invasive hemlock woolly adelgid (HWA), Adelges tsugae (Annand) (Hemiptera: Adelgidae), has spread throughout most of the range of eastern hemlock, Tsuga canandensis (L.), and the entire range of Carolina hemlock, Tsuga caroliniana (Engelman), in the United States.2. Integrated pest management (IPM) of HWA combines chemical applications with the release of biological control agents on untreated trees within the same stand. Laricobius spp., Rosenhauer (Coleoptera: Derodontidae), have been used as biological control agents of HWA since 2003 and have subterranean and arboreal life phases that are synchronous with HWA's lifecycle. When utilizing IPM tactics, there is potential for Laricobius spp. to settle below an insecticide‐treated tree for its subterranean phase.3. Field investigations assessed the impact of historical (five years post treatment in 2017) and recent imidacloprid soil treatments (via soil injection, soil drench, and tablet in November 2020) on the subterranean survivorship of Laricobius spp. by quantifying concentrations of imidacloprid and its metabolites to determine its potential impact on percent adult emergence from the soil.4. We observed a significant treatment effect on mean soil concentration among application methods at the recent treatment site, but not the historical treatment site. Additionally, at the more recently treated site, significantly lower mean percent emergence was observed from soil drench and tablet imidacloprid applications after one year (2021), but by the following year (2022), that effect was no longer present.5. This study supports recent recommendations to delay releases of Laricobius spp. for one‐year post‐treatment with imidacloprid. Furthermore, these data suggest when applying imidacloprid to a stand established with Laricobius spp., soil injection techniques pose the least risk to their subterranean survivorship.

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来源期刊

Agricultural and Forest Entomology 农林科学-昆虫学

CiteScore

3.60

自引率

6.20%

发文量

审稿时长

>24 weeks

期刊介绍： Agricultural and Forest Entomology provides a multi-disciplinary and international forum in which researchers can present their work on all aspects of agricultural and forest entomology to other researchers, policy makers and professionals. The Journal welcomes primary research papers, reviews and short communications on entomological research relevant to the control of insect and other arthropod pests. We invite high quality original research papers on the biology, population dynamics, impact and management of pests of the full range of forest, agricultural and horticultural crops.