What kind of flowering plants are attractive for bumblebees in urban green areas?

Sikora, Aneta; Michołap, Paweł; Sikora, Marcin

doi:10.1016/j.ufug.2019.126546

Cited by 14 publications

(8 citation statements)

References 42 publications

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“…Establishing plant–pollinator interaction networks could be one method of empirically determining species resolution pollinator resource usage and floral visitation as done in bumble bees [ 151 ]. These networks are typically constructed using field-recorded observations or pollen extractions and direct bee sampling from flowers [ 93 , 117 , 152 ].…”

Section: Conservation Aims and Future Directionsmentioning

confidence: 99%

Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features

Ayers

Rehan

2021

Insects

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Urbanization is a major anthropogenic driver of decline for ecologically and economically important taxa including bees. Despite their generally negative impact on pollinators, cities can display a surprising degree of biodiversity compared to other landscapes. The pollinating communities found within these environments, however, tend to be filtered by interacting local and landscape features that comprise the urban matrix. Landscape and local features exert variable influence on pollinators within and across taxa, which ultimately affects community composition in such a way that contributes to functional trait homogenization and reduced phylogenetic diversity. Although previous results are not easily generalizable, bees and pollinators displaying functional trait characteristics such as polylectic diet, cavity-nesting behavior, and later emergence appear most abundant across different examined cities. To preserve particularly vulnerable species, most notably specialists that have become underrepresented within city communities, green spaces like parks and urban gardens have been examined as potential refuges. Such spaces are scattered across the urban matrix and vary in pollinator resource availability. Therefore, ensuring such spaces are optimized for pollinators is imperative. This review examines how urban features affect pollinators in addition to ways these green spaces can be manipulated to promote greater pollinator abundance and diversity.

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Section: Conservation Aims and Future Directionsmentioning

confidence: 99%

Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features

Ayers

Rehan

2021

Insects

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“…The findings of potential species‐specific patterns in detectability highlight the necessity of accounting for imperfect detection to generate accurate and unbiased population estimates in bumble bees and in other pollinator groups (Iles et al, 2019; Kéry & Schmidt, 2008; MacKenzie et al, 2002; Mata et al, 2014); this is especially true when occupancy and detection probability share a common environmental driver. Bumble bees are a diverse group of pollinators with differences in life‐history traits which could mediate the effect of land cover and floral resources on occupancy (Normandin et al, 2017; Sikora et al, 2020; Strange & Tripodi, 2019). The bumble bees observed in this study are typical of the bee fauna found in this area and are generalists with capacity to forage on a range of plants, though morphological differences in flowers can result in differential access to nectar and pollen.…”

Section: Discussionmentioning

confidence: 99%

“…Much of the loss of habitat has come about through increasingly intensified agricultural practices. Large‐scale expanses of agriculture have frequently come at the expense of natural or unmanaged habitats that harbour a higher abundance and diversity of flowering plants (Goulson et al, 2015; Hall et al, 2017; Scheper et al, 2014; Sikora et al, 2020). In addition to the spatial footprint of intensified agriculture, many of these areas are characterised by large fields compromised of monocultures and high herbicide and insecticide use, all of which directly or indirectly negatively affect bee populations (Hall et al, 2017; Hemberger et al, 2021; Meehan et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Local floral abundance influences bumble bee occupancy more than urban‐agricultural landscape context

Nunes,

Tai,

Zuckerberg

et al. 2024

Insect Conserv Diversity

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Loss of natural habitat due to increases in agricultural extent raises the question of whether human‐dominated landscape types can support biodiversity, particularly for declining insect pollinators. Compared to more rural agricultural landscapes, urban areas may confer benefits for bumble bee populations by providing stable and diverse floral resources. However, disentangling the effects of local‐ and landscape‐scale characteristics on bumble bee populations in human‐modified landscapes is challenging. Here, we assessed bumble bee occupancy using a repeated transect sampling design conducted during the summers of 2019 and 2020 within the metropolitan area of Madison, WI, and the surrounding agricultural landscape. We fit hierarchical occupancy models to estimate the detection (p) and occupancy () probabilities relative to local habitat quality (floral abundance and floral richness) and landscape (agricultural‐urban gradient) features for eight bumble bee species. We hypothesised that bumble bees were more likely to occupy urban areas, serving as refugia, relative to agricultural sites. We found that the detection probability of all bumble bee species was seasonal and influenced by maximum floral abundance at survey sites, independent of the surrounding land cover type. After accounting for species‐specific detection probabilities, the effect of urbanisation on bee occupancy was weak, and no species were less likely to occupy urban than rural agricultural areas. Our findings suggest that bumble bee occupancy is associated with a ‘honeypot effect’ where local resource availability, in the form of higher floral abundance, is most important in limiting the occupancy of bumble bees across urban and agricultural landscapes.

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“…e species compositions of studied territories varied by the 3). For example, this species were most frequently observed in some other urban areas in Europe [9,22,35,69,73,74]. Short-tongued species dominated at all areas and were the only bumblebees at several locations (Figure 2).…”

Section: Distribution Of Species Of the Genus Bombus In Differentmentioning

confidence: 97%

“…e bumblebees of Dnipro River islands mostly were recorded on blooming plants of Rhinanthus vernalis. Such species as e ornamental plants play a significant role as the floral resource of bumblebees in urban conditions [63,74]. ere were various angiosperms in urban parks in Kyiv, which were rich in nectar and pollen and attracted bumblebees: Rudbeckia spp., Spiraea spp., Tagetes ssp., Malva spp., Hosta spp., Digitalis spp., and Rosa spp.…”

Section: Angiosperm Preferences Of Bumblebees In Urbanmentioning

confidence: 99%

Diversity and Trophic Relationships of Functional Groups of Bumblebees (Hymenoptera: Apidae, Bombus Latreille, 1802) in Urban Habitats

Honchar

2020

Psyche: A Journal of Entomology

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Species composition, distribution, and trophic relationships of bumblebees are studied in six types of urban habitat: urban parks, botanical gardens, least-disturbed areas within the city, residential areas, and roadsides. Twenty bumblebee species are recorded in the present study. The species composition of bumblebees has changed from 1933 to 2017. Rare species have disappeared from the city—Bombus fragrans, B. cullumanus, and B. jonellus. The core of urban bumblebee communities consists of ecologically plastic species, most of which belong to the functional morphoecological “short-tongued” group (83%). The more specialized “medium-tongued” and “long-tongued” species are less diverse. Their populations make up 14% and 3% of the total bumblebee population. Five most common species, B. lucorum, B. terrestris, B. lapidarius, B. pascuorum, and B. hypnorum, are found at locations of the most noted categories of habitats. One of the main factors affecting the diversity of morphoecological groups of bumblebees in urban conditions is the state of floral resources. The bumblebees are observed feeding on more than 60 plant species of the families Asteraceae, Fabaceae, Lamiaceae, Rosaceae, and Salicaceae in urban environment; however, the insects favored plants of 30 species. The ornamental, ruderal, and some invasive species of plants are significant in bumblebees’ feeding in urban conditions. The resources for bumblebee feeding and sustainable density of nesting sites are rich in quality and quantity only at a few of model urban sites. At these territories, the highest species diversity of bumblebee is recorded, including rare, protected, and vulnerable species. The ecological potential of other studied urban sites is enough to sustain the most ecologically plastic bumblebee species.

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What kind of flowering plants are attractive for bumblebees in urban green areas?

Cited by 14 publications

References 42 publications

Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features

Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features

Local floral abundance influences bumble bee occupancy more than urban‐agricultural landscape context

Diversity and Trophic Relationships of Functional Groups of Bumblebees (Hymenoptera: Apidae, Bombus Latreille, 1802) in Urban Habitats

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