Aggressive Eviction of the Eastern Carpenter Bee (Xylocopa virginica (Linnaeus)) from its Nest by the Giant Resin Bee (Megachile sculpturalis Smith)

Roulston, T’ai H.; Malfi, Rosemary

doi:10.2317/0022-8567-85.4.387

Cited by 36 publications

(24 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…While non‐native social pollinators may exert strong competitive effects on other bees by monopolizing floral resources (Winfree ), concerns about non‐native solitary pollinators centre around their competition for nesting resources with ecologically similar native species. For example, Megachile sculpturalis, a recent introduction to North America, has been observed attacking and usurping nest tunnels excavated by the similarly sized, native Xylocopa virginica (Roulston & Malfi ). The effects of non‐native solitary pollinators on urban plant–pollinator interactions are unknown, but we consider strong negative effects unlikely, due to the high generalism of plant–pollinator interactions (Memmott, Waser & Price ).…”

Section: Non‐native and Managed Speciesmentioning

confidence: 99%

Urban drivers of plant‐pollinator interactions

2015

View full text Add to dashboard Cite

Summary1. Plant-pollinator interactions are affected by global change, with largely negative impacts on pollination and plant reproduction. Urban areas provide a unique and productive study system for understanding the impacts of many global change drivers on plant-pollinator interactions. 2. We review the mechanistic pathways through which urban drivers alter plant-pollinator interactions. The literature on urban drivers of plant-pollinator interactions is small but growing and has already produced exciting insights about how population processes or pollinator behaviour interacts with landscape urban drivers to affect pollination outcomes. 3. Habitat loss and fragmentation can change flower visitation rates and pollination success through changes in pollinator foraging behaviour or through population-level effects on pollinators. Urban environments, where impermeable surface provides an inhospitable matrix, may allow researchers to identify habitat fragments more clearly than in many other environments. 4. Recent studies have found that non-native plants are not differently preferred by pollinators relative to native plants, therefore removing the basis for expecting pollinator-mediated competition between native and non-native plants in urban habitats. However, non-native species together with managed vegetation may have powerful effects in urban habitats via changes in community-level plant phenology and consequent changes in pollinator phenology. 5. The current level of climate warming has not caused plants and pollinators to become detectably temporally separated, although at the same time, diversity among species' phenological responses could buffer plant-pollinator interactions from climate variation. Due to the urban warming effect, cities provide a promising system for better understanding the warming effects on plant-pollinator interactions. 6. Environmental contaminants such as soil nitrogen and heavy metal pollution have been examined with respect to plant-pollinator interactions in small-scale, mechanistic studies. The extent to which environmental contaminants drive plant-pollinator interactions in actual urban landscapes is, however, currently unknown. 7. Important knowledge gaps that require research attention include understanding the consequences of plant and pollinator trait filtering on plant-pollinator interactions, and expanding the literature to include underrepresented biomes and pollinator taxa.

show abstract

Section: Non‐native and Managed Speciesmentioning

confidence: 99%

Urban drivers of plant‐pollinator interactions

2015

View full text Add to dashboard Cite

show abstract

“…For example, the combination of nest box sampling with occupancy modelling will allow us to predict where introduced species exist but were not found during sampling. This may be particularly useful for determining areas of occupancy of aggressively spreading introduced species, such as Megachile sculpturalis [95,96]. …”

Section: Resultsmentioning

confidence: 99%

The Bees among Us: Modelling Occupancy of Solitary Bees

MacIvor

Packer

2016

PLoS ONE

View full text Add to dashboard Cite

Occupancy modelling has received increasing attention as a tool for differentiating between true absence and non-detection in biodiversity data. This is thought to be particularly useful when a species of interest is spread out over a large area and sampling is constrained. We used occupancy modelling to estimate the probability of three phylogenetically independent pairs of native—introduced species [Megachile campanulae (Robertson)—Megachile rotundata (Fab.), Megachile pugnata Say—Megachile centuncularis (L.), Osmia pumila Cresson—Osmia caerulescens (L.)] (Apoidea: Megachilidae) being present when repeated sampling did not always find them. Our study occurred along a gradient of urbanization and used nest boxes (bee hotels) set up over three consecutive years. Occupancy modelling discovered different patterns to those obtained by species detection and abundance-based data alone. For example, it predicted that the species that was ranked 4th in terms of detection actually had the greatest occupancy among all six species. The native M. pugnata had decreased occupancy with increasing building footprint and a similar but not significant pattern was found for the native O. pumila. Two introduced bees (M. rotundata and M. centuncularis), and one native (M. campanulae) had modelled occupancy values that increased with increasing urbanization. Occupancy probability differed among urban green space types for three of six bee species, with values for two native species (M. campanulae and O. pumila) being highest in home gardens and that for the exotic O. caerulescens being highest in community gardens. The combination of occupancy modelling with analysis of habitat variables as an augmentation to detection and abundance-based sampling is suggested to be the best way to ensure that urban habitat management results in the desired outcomes.

show abstract

“…Negative interactions have been observed between M. sculpturalis and the native X. virginica , though long-term effects of these aggressive behaviors on Xylocopa populations are unknown (Laport and Minckley 2012, Roulston and Malfi 2012). Nesting sites made by X. virginica were present at field locations where specimens were collected in both Paynes and Scobey, MS, and both species were observed simultaneously during the summer of 2015.…”

Section: Discussionmentioning

confidence: 99%

“…Instead, they are known to occupy abandoned nests of similarly sized bees, notably the nests of native carpenter bees, Xylocopa virginica (L.) (Batra 1998, Mangum and Brooks 1997). More recently, female M. sculpturalis have been observed aggressively evicting carpenter bee females from their nests (Laport and Minckley 2012, Roulston and Malfi 2012). Within their native range M. sculpturalis occupy nesting sites abandoned by a variety of other species (Iwata 1933).…”

Section: Introductionmentioning

confidence: 99%

The Giant Resin Bee, Megachile sculpturalis Smith: New Distributional Records for the Mid- and Gulf-south USA

Parys¹,

Tripodi²,

Sampson³

2015

BDJ

1,132

View full text Add to dashboard Cite

BackgroundMegachile (Callomegachile) sculpturalis Smith, the giant resin bee, is an adventive species in the United States. First established in the United States during the early 1990s, records currently exist from most states east of the Mississippi River along with Iowa and Kansas.New informationNew distributional records are presented for Megachile (Callomegachile) sculpturalis Smith, an introduced bee. Additional records presented here expand the known distribution southwest through Arkansas, Louisiana, Mississippi, Missouri, and Texas. An updated host plant list containing new records is also presented, expanding the number of known floral associations.

show abstract

Aggressive Eviction of the Eastern Carpenter Bee (Xylocopa virginica (Linnaeus)) from its Nest by the Giant Resin Bee (Megachile sculpturalis Smith)

Cited by 36 publications

References 2 publications

Urban drivers of plant‐pollinator interactions

Urban drivers of plant‐pollinator interactions

The Bees among Us: Modelling Occupancy of Solitary Bees

The Giant Resin Bee, Megachile sculpturalis Smith: New Distributional Records for the Mid- and Gulf-south USA

Contact Info

Product

Resources

About