SPLAT® Verb 在管理欧洲云杉树皮甲虫 Ips typographus (L.) 方面的潜在适用性

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Journal of Applied Entomology Pub Date : 2024-07-24 DOI:10.1111/jen.13336
Helge Löcken, Tobias Frühbrodt, Baoguo Du, Christopher J. Fettig, Peter H. W. Biedermann, Jürgen Kreuzwieser, Tim Burzlaff, Horst Delb
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引用次数: 0

摘要

欧洲云杉树皮甲虫(Ips typographus (L.))是欧洲最重要的森林害虫,其周期性爆发对生态系统产品和服务产生了深远影响。在本文中,我们评估了典型云杉甲虫在以其聚集信息素为诱饵的诱捕器中对不同剂量的马鞭草酮(SPLAT® Verb,按重量计为 10%(-)-马鞭草酮;ISCA 公司,美国加利福尼亚州河滨市)的反应。结果基于 3 年内 5 次实验中收集到的 1,492,289 I. typographus。SPLAT® Verb 可抑制典型伊蚊对诱饵诱捕器的反应,距离释放点(饵料)14 米,剂量为每饵料 75 克,可持续 80 天。根据马鞭草酮的剂量、SPLAT® Verb药丸的使用年限、与药丸的距离和环境的不同,诱捕器捕获量的减少率从34%到93%不等。在森林中,距离释放点 14 米的诱捕器捕获量明显减少,其中 0 米(93%)和 2 米(64%)处的减少量最大。在一片开阔地上,从释放点到 2 米的距离都能观察到诱捕器捕获量的显著减少,其中 0 米处的减少量最大(66%)。在空旷区域,马鞭草酮的活性抑制范围要小得多,这似乎是因为周围空气中的马鞭草酮积累不太稳定。诱捕器捕获量与诱捕器附近空气中测得的马鞭草酮含量之间存在明显的负相关。我们还观察到,所有剂量(20、40、75 和 100 克)的 SPLAT® Verb 都能抑制欧洲另一种重要的森林害虫六齿云杉甲虫 Pityogenes chalcographus (L.)。本文讨论了这些结果和其他结果对管理 I. typographus 的影响。
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Potential applicability of SPLAT® Verb for management of European spruce bark beetle, Ips typographus (L.)
The European spruce bark beetle, Ips typographus (L.), is the most important forest pest in Europe due to the profound impacts of periodic outbreaks on ecosystem goods and services. Herein, we evaluated the responses of I. typographus to different doses of verbenone (SPLAT® Verb, 10% (−)‐verbenone by weight; ISCA Inc., Riverside, CA, USA) in traps baited with its aggregation pheromones. Results are based on 1,492,289 I. typographus collected in five experiments over 3 years. SPLAT® Verb inhibited the response of I. typographus to baited traps out to 14 m from the point of release (dollop) and for >80 days at a dose of 75 g per dollop. Reductions in trap catch ranged from 34% to 93% depending on the dose of verbenone, age of SPLAT® Verb dollops, distance from dollops and the environment. In forest stands, significant reductions in trap catch were observed at distances up to 14 m from the point of release, with the largest reductions observed at 0 m (93%) and 2 m (64%). In an open area, significant reductions in trap catch were observed at distances up to only 2 m from the point of release, with the largest reduction observed at 0 m (66%). The much lower active inhibitory range of verbenone in the open area appears to be explained by less stable accumulations of verbenone in the surrounding air. There was a significant negative correlation between trap catch and the amount of verbenone measured in air in the vicinity of traps. We also observed inhibition of the sixtoothed spruce bark beetle, Pityogenes chalcographus (L.), another important forest pest in Europe, at all doses (20, 40, 75 and 100 g) of SPLAT® Verb that were evaluated. The implications of these and other results to the management of I. typographus are discussed.
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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