Potter Daniel A, Mach Bernadette M
Department of Entomology, University of Kentucky, Lexington, KY 40546-0091, USA.
Insects. 2022 Feb 28;13(3):238. doi: 10.3390/insects13030238.
Urban ecosystems can support diverse communities of wild native bees. Because bloom times are conserved by geographic origin, incorporating some non-invasive non-native plants in urban landscapes can extend the flowering season and help support bees and other pollinators during periods when floral resources from native plants are limiting. A caveat, though, is the possibility that non-native plants might disproportionately host non-native, potentially invasive bee species. We tested that hypothesis by identifying all non-native bees among 11,275 total bees previously collected from 45 species of flowering woody landscape plants across 213 urban sites. Honey bees, L., accounted for 22% of the total bees and 88.6% of the non-native bees in the collections. Six other non-native bee species, accounting for 2.86% of the total, were found on 16 non-native and 11 native woody plant species. Non- non-native bees in total, and Smith and (Smith), the two most abundant species, were significantly more abundant on non-native versus native plants. Planting of favored non-native hosts could potentially facilitate establishment and spread of non- non-native bees in urban areas. Our host records may be useful for tracking those bees' distribution in their introduced geographical ranges.
城市生态系统能够支持多样化的野生本地蜜蜂群落。由于开花时间受地理起源的限制，在城市景观中引入一些非侵入性的非本地植物可以延长花期，并在本地植物的花卉资源有限的时期帮助支持蜜蜂和其他传粉者。然而，需要注意的是，非本地植物可能不成比例地容纳非本地的、潜在的入侵性蜜蜂物种。我们通过在先前从213个城市地点的45种开花木本景观植物中收集的总共11275只蜜蜂中识别所有非本地蜜蜂来检验这一假设。意大利蜜蜂（Apis mellifera L.）占所收集蜜蜂总数的22%，占非本地蜜蜂的88.6%。另外六种非本地蜜蜂物种，占总数的2.86%，在16种非本地和11种本地木本植物物种上被发现。两种数量最多的非本地蜜蜂物种，即红火蚁蜂（Lasioglossum malachurum）和苜蓿切叶蜂（Megachile rotundata），在非本地植物上的数量明显多于本地植物。种植受青睐的非本地寄主植物可能会促进非本地蜜蜂在城市地区的建立和传播。我们的寄主记录可能有助于追踪这些蜜蜂在其引入地理范围内的分布。
