Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR, 72701, USA.
USDA-Agricultural Research Service, Booneville, AR, 72927, USA.
Sci Rep. 2022 Jun 13;12(1):9783. doi: 10.1038/s41598-022-10286-w.
Wild bees are important pollinators and monitoring their abundance and diversity is necessary to develop conservation protocols. It is imperative to understand differences in sampling efficiency among different trap types to help guide monitoring efforts. This study used a new vane trap design to collect bees in a livestock pasture ecosystem and examined the impact of six different vane colors on wild bee sampling. We recorded 2230 bees comprising 49 species and five families. The most abundant species were Augochlorella aurata (25.8%), Lasioglossum disparile (18.3%), Lasioglossum imitatum (10.85%), Agapostemon texanus (10.8%), Melissodes vernoniae (9.9%) and Halictus ligatus (4.7%). Traps with bright blue vanes captured the greatest number and diversity of bees as compared to traps with bright yellow, dark blue, dark yellow, and purple vanes. Red vanes had the lowest captures rates of individuals and species. Different colors were associated with different bee species arrays and only nine species were found in all vane color types. Vanes with higher light reflectance properties (within 400-600 nm range) attracted the greatest number of bees. These results show that different light wavelengths and reflectivity of vane traps influence bee capture rates, and such findings can help optimize bee sampling methods in different ecosystems.
野生蜜蜂是重要的传粉媒介，监测其丰富度和多样性对于制定保护协议至关重要。了解不同诱捕器类型在采样效率上的差异对于指导监测工作至关重要。本研究使用一种新的叶片诱捕器设计在畜牧牧场生态系统中收集蜜蜂，并研究了六种不同叶片颜色对野生蜜蜂采样的影响。我们记录了 2230 只蜜蜂，包括 49 种和 5 个科。最丰富的物种是金腹熊蜂（25.8%）、双色无刺蜂（18.3%）、拟熊蜂（10.85%）、得克萨斯切叶蜂（10.8%）、美胸切叶蜂（9.9%）和黄足熊蜂（4.7%）。与黄色、深蓝色、深黄色和紫色叶片的诱捕器相比，蓝色叶片的诱捕器捕获的蜜蜂数量和种类最多。红色叶片的个体和物种捕获率最低。不同的颜色与不同的蜜蜂物种数组相关联，只有 9 种在所有叶片颜色类型中都有发现。具有更高光反射特性（在 400-600nm 范围内）的叶片诱捕器吸引了最多的蜜蜂。这些结果表明，不同的光波长和叶片诱捕器的反射率会影响蜜蜂的捕获率，这些发现可以帮助优化不同生态系统中的蜜蜂采样方法。
