用空中和地面诱捕器捕获北美西部三种利蒙尼害虫蠓(鞘翅目:蠓科)。

IF 1.5 3区 农林科学 Q2 ENTOMOLOGY
Willem G van Herk, Haley A Catton, Kevin Wanner, Emily Lemke, Jacqueline M Serrano
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引用次数: 0

摘要

在北美西部的农田中,3种有害的线虫(Limonius)在农田中共存,并且蜱虫成年雄虫对同一种单组分性引诱剂柠檬酸有反应。虽然季节发生的差异可能为Limonius canus (LeConte)和Limonius californicus (Mann.)提供了一种分离性交流的手段,但这两个物种都与Limonius infuscatus (Mots.)在时间上重叠,表明存在额外的生殖隔离机制。为了确定陷阱高度对这些物种相对捕获的影响,我们在不列颠哥伦比亚省、阿尔伯塔省、华盛顿州和蒙大拿州部署了地面弗农陷阱和空中悬浮的日本甲虫陷阱,这些陷阱用橡胶隔膜或塑料胶囊配制的柠檬酸作为诱饵。在不同的研究地点,每个物种的收集比例不同,但我们的数据表明,物种对陷阱的偏好不同,瓢虫和加利福尼亚瓢虫更喜欢地面陷阱,而瓢虫更喜欢空中陷阱。这可能反映了物种择偶的偏好,因此是另一种分离机制。在大多数研究中,诱捕器类型对捕获量也有显著影响,通常使用胶囊分配器可以捕获更多的加州乳鼠和/或瓢虫,而使用隔片分配器则可以捕获更多的瓢虫。讨论了用这些捕集器和分配器组合监测这些物种的意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Species-dependent captures of three Limonius pest click beetle (Coleoptera: Elateridae) species in western North America with aerial and ground traps.

In western North America, 3 pest wireworms in the genus Limonius co-occur on farmland, and the click beetle adult males respond to the same single-component sex attractant, limoniic acid. While divergence in seasonal occurrence may provide a means of separating sexual communication for Limonius canus (LeConte) and Limonius californicus (Mann.), both species overlap temporally with Limonius infuscatus (Mots.), suggesting the existence of additional reproductive isolating mechanisms. To determine the effect of trap height on the relative captures of these species, we deployed ground-based Vernon Pitfall Traps and aerially suspended Japanese Beetle traps baited with limoniic acid dispensed from rubber septa or plastic capsules, in British Columbia, Alberta, Washington state, and Montana. The proportion collected of each species differed among study locations, but our data indicate species differ in trap preference, with L. infuscatus and L. californicus preferring ground traps, and L. canus preferring aerial traps. This possibly reflects preferences in where species locate mates, and therefore another separation mechanism. Lure type also had a significant effect on captures in most studies, with generally more L. californicus and/or L. infuscatus collected if capsule dispensers, and more L. canus if septa dispensers were used. Implications for monitoring these species with these trap and dispenser combinations are discussed.

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来源期刊
Environmental Entomology
Environmental Entomology 生物-昆虫学
CiteScore
3.90
自引率
5.90%
发文量
97
审稿时长
3-8 weeks
期刊介绍: Environmental Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes reports on the interaction of insects with the biological, chemical, and physical aspects of their environment. In addition to research papers, Environmental Entomology publishes Reviews, interpretive articles in a Forum section, and Letters to the Editor.
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