一项关于黑斑蝥的标记研究表明,它偏爱恢复的Tallgrash草原

IF 0.2 4区 农林科学 Q4 ENTOMOLOGY
D. Marschalek, H. Ogden, D. Wolcott
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引用次数: 2

摘要

摘要:水泡甲虫(鞘翅目:金龟子科)在人类养殖中有着悠久的历史,危害人类健康,被认为是一种农业害虫。然而,人们对自然系统中许多甲虫物种的生态学知之甚少。黑泡甲虫Epicauta pensylvanica(Degeer)是一种常见的秋季物种,经常以一枝黄花(Solidago spp.)为食。先前的生态学研究使用大规模释放来探索运动模式和栖息地的使用。为了进行更自然的调查,进行了一项标记研究,以量化恢复后的牛脂草草原和邻近退化草原的种群规模、运动模式和栖息地使用情况。我们对总共914人进行了独特的标记,在16次调查中(2018年8月16日至10月11日)获得了22.2%的支持。9月11日记录的最大日计数为286人,对应于2011年的人口规模估计(1258–4139 95%置信区间)。几次降雨后,成虫数量在一到两天内增加,最终在退化草原割草后大幅下降。根据一个人在研究过程中行进至少599米,甲虫能够在整个研究地点移动。然而,大多数检测到的移动都是短暂的,并且在移动方向上没有偏好,这表明甲虫最常移动到相邻的开花的一枝黄花斑块。尽管缺乏方向性,但研究地点恢复后的牛脂草草原部分比退化的草原保留了更多的甲虫。在进一步描述黑水泡甲虫生态的同时,这项研究也支持栖息地恢复工作的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Marking Study of the Black Blister Beetle, Epicauta pensylvanica (Degeer) (Coleoptera: Meloidae), Demonstrates a Preference for a Restored Tallgrass Prairie
ABSTRACT: Blister beetles (Coleoptera: Meloidae) have a long history in human culture, are detrimental to human health, and considered an agricultural pest. However, little is known about the ecology of many of these beetle species in natural systems. The black blister beetle, Epicauta pensylvanica (Degeer), is a common fall species that regularly feeds on goldenrod (Solidago spp.) flowers. Previous ecological research used mass releases to explore movement patterns and habitat use. For a more natural investigation, a marking study was conducted to quantify the population size, movement patterns, and habitat use in a restored tallgrass prairie and adjacent degraded grassland. We uniquely marked a total of 914 individuals, recapturing 22.2% over 16 surveys (16 August to 11 October 2018). A maximum daily count of 286 individuals was recorded on 11 September, corresponding to a population size estimate of 2,011 (1,258– 4,139 95% CI). Several times, adult numbers increased one to two days following rain events, and ultimately dropped substantially following mowing of the degraded grassland. Beetles were capable of moving throughout the study site based on one individual traveling at least 599 m over the course of the study. However, most detected movements were short and there was no preference in movement directionality, suggesting that beetles would most often move to adjacent flowering goldenrod patches. Despite the lack of directionality, the restored tallgrass prairie portion of the study site retained significantly more beetles than the degraded grassland. While further describing the ecology of the black blister beetle, this study also supports the effectiveness of the habitat restoration efforts.
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来源期刊
CiteScore
1.60
自引率
0.00%
发文量
12
审稿时长
>12 weeks
期刊介绍: The Journal of the Kansas Entomological Society is a publication of the Kansas (Central States) Entomological Society, publishes research on all aspects of the sciences of entomology, and has world-wide authorship and readership.
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