Linking crop history to Melanotus communis (Coleoptera: Elateridae) abundance in North Carolina and Virginia agroecosystems.

IF 1.5 3区 农林科学 Q2 ENTOMOLOGY
Emma Schoeppner, Thomas P Kuhar, Hélène Doughty, Livy Williams Iii, Jocelyn G Millar, Anders Huseth
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引用次数: 0

Abstract

Melanotus communis Gyllenhal (Coleoptera: Elateridae) is a significant wireworm pest of potato and sweetpotato in the southeastern United States. However, the impact of habitat proximity to surrounding crop fields on M. communis abundance remains unclear in this system. More refined risk assessment models to forecast populations as they relate to land use will aid in determining where fields are most vulnerable to damage, enabling more precise management interventions. Between 2022 and 2024, traps baited with M. communis sex pheromone were used to monitor adult male activity for ∼10 wk across 41 locations in North Carolina and Virginia. We combined trap data with remotely sensed land use data to correlate M. communis adult activity to surrounding habitats. The dependent variable used in models was overall mean abundance per location. Abundance was positively associated with the average proportional area of corn over 5 yr. These results are consistent with prior field-scale studies that showed that corn is a preferred host. Model estimates were expanded to understand the frequency of corn surrounding 2,884 potato or sweetpotato fields in 2024. Results showed clear spatial structuring of potato or sweetpotato fields that include corn as an abundant land use type over the prior 5 yr. This study provides a methods framework for expanding traditional landscape studies to communicate infestation risk over broad regions.

北卡罗莱纳和维吉尼亚州农业生态系统中黑腹虫(鞘翅目:白蛉科)丰度与作物历史的关联。
黑腹线虫(Melanotus communis Gyllenhal)是美国东南部马铃薯和甘薯的重要害虫。然而,在该系统中,生境靠近周围农田对群落m.s communis丰度的影响尚不清楚。更精确的风险评估模型用于预测与土地利用有关的人口,这将有助于确定最容易受到破坏的田地,从而实现更精确的管理干预。在2022年至2024年期间,在北卡罗莱纳州和弗吉尼亚州的41个地点,使用以communis性信息素为诱饵的陷阱监测成年雄性的活动约10周。我们将捕集器数据与遥感土地利用数据相结合,将社区田鼠成虫活动与周围栖息地联系起来。模型中使用的因变量是每个地点的总体平均丰度。丰度与5年玉米平均比例面积呈正相关。这些结果与先前的田间规模研究一致,表明玉米是首选寄主。扩展模型估计,以了解2024年2,884块马铃薯或甘薯田周围玉米的频率。结果表明,在过去的5年中,马铃薯或甘薯田的空间结构清晰,其中玉米是丰富的土地利用类型。本研究提供了一个方法框架,以扩大传统的景观研究,在更广泛的地区传播虫害风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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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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