在Cucurbita pepo中观察到的采样方法对蜜蜂授粉者的影响
Courtney Walls1, Thomas Kuhar1, T'ai Roulston2,3
1Department of Entomology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, United States of America.
PeerJ
|February 9, 2026
概括
视觉观察是评估南瓜和南瓜田中的蜜蜂授粉者最可靠的方法. 其他方法,如真空和碗采样,大大低估了蜜蜂种群,特别是南瓜蜜蜂.
科学领域:
- 农业昆虫学 农业昆虫学
- 授粉生态学 授粉生态学
- 昆虫生物多样性 昆虫的生物多样性
背景情况:
- Cucurbita pepo (南瓜和南瓜) 需要蜜蜂授粉,以获得水果.
- 准确的蜜蜂种群评估对于有效的作物管理和成本降低至关重要.
- 常用的蜜蜂采样方法包括视觉观察,真空采样和碗陷.
研究的目的:
- 为了比较Cucurbita pepo田中的三个蜜蜂采样方法的捕获丰度.
- 确定在南瓜和南瓜作物中估计活跃授粉者的最可靠方法.
- 评估视觉,真空和碗捕获方法的有效性,以采集关键蜜蜂种类的样本.
主要方法:
- 在南瓜和南瓜田里进行采样,使用视觉观测,真空采样和碗捕获.
- 鉴定和量化了蜜蜂 (Xenoglossa pruinosa),大黄蜂 (Bombus spp. Bombus spp.) 的蜜蜂数量. ) 和蜜蜂 (蜜蜂).
- 利用视觉观察作为控制方法,因为直接确认了花朵的接触.
主要成果:
- 总共有2,502只蜜蜂被观察到;82%是南瓜蜜蜂,3.4%是蜜蜂和2.4%是大黄蜂.
- 与视觉观测相比,碗陷在所有主要种群中产生的蜜蜂数量显著减少.
- 真空采样比视觉采样没有捕获熊蜂,而且比视觉采样捕获的南瓜蜜蜂更少,尽管对蜜蜂来说是相似的.
结论:
- 视觉观测可以比真空或碗采样更准确地估计Cucurbita pepo田中的活跃授粉者.
- 种植者应优先考虑视觉观察来评估授粉者,以告知田间管理决策.
- 对于这些作物的代表性蜜蜂采样,不建议使用真空和碗捕获方法.
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