← Back to Speciesspecies

Bombus appositus

Common names: bumble bee, bumblebee, white-shouldered bumblebee, bumble bees, long-tongued bumble bee

Authority: Cresson

Taxonomy: Animalia > Arthropoda > Insecta > Hymenoptera > Apidae

Roles: study subject, pollinator, competitor, indicator species, study subject pollinator

ITIS TSN: 714783

Synonyms: B. appositus, bumble bees, mixtus, Bombus spp., APP, appositus

External: RMBL Collections · iNaturalist · iDigBio · GenBank

Papers: 113 | Mentions: 127

Local Knowledge Graph (Top 74 entities)

Loading graph...

Publications (124)

student_paper

Documenting Activity Levels of Discovered Seasonal Native Bombus Nests

2026Role: study subject

student_paper

The Popular Patch: Co-foraging behavior of Bombus spp. in a subalpine meadow

2026Role: study subject / pollinator

student_paper

Understanding Impact of Bombus spp. Intraspeciﬁc Body Mass Variation on Foraging Behavior on Delphinium barbeyi

2026Role: study subject / pollinator

thesis

Dimensions of difference: Multi-scale consequences of trait variation in bumble bees

2025Role: text_match

article

Herbivory and water availability interact to shape the adaptive landscape in the perennial forb, Boechera stricta

2025EvolutionRole: text_match

article

Improving plant DNA metabarcoding accuracy with ecological filters and Angiosperms353: Field and pollen microscopy validation

2025Applications in Plant SciencesRole: study subject

article

Nutrient niche dynamics among wild pollinators

2025Proceedings of the Royal Society B: Biological SciencesRole: study subject

student_paper

Testing the marginal value theorem on Bombus appositus and Bombus nevadensis

Co-occurring Species

2025Role: study subject

article

Wild foundress queen bumble bees make numerous, short foraging trips and exhibit frequent nest failure: Insights from trap-nesting and RFID tracking

2025Ecology and EvolutionRole: study subject

student_paper

Effects of Temperature and Competitor Abundance on Bumble Bee Foraging

2024Role: study subject

student_paper

Estimating Local Abundance of Bombus Queens in Meadows of Rocky Mountains, Colorado, USA

2024Role: study subject

student_paper

How do Bombus appositus and Bombus bifarius worker tongue lengths vary within a season?

2024Role: study subject

article

Intraspecific body size variation across distributional moments reveals trait filtering processes

2024Journal of Animal EcologyRole: study subject

student_paper

Investigating the potential mechanism behind bumble bee preference for Corydalis flowers inhabited by nectar specialist yeast

2024Role: study subject

student_paper

Nowhere to go but Up: Investigating Bumble Bee population Shifts over Elevational Gradients

2024Role: study subject

student_paper

Pollination Syndrome variance among foraging bumblebee species in Gothic Colorado

2024Role: study subject

article

The hole truth: why do bumble bees rob flowers more than once?

2024PlantsRole: pollinator

student_paper

Characterization of thermal tolerance in sub-alpine bumblebee species

2023Role: study subject

article

Community context mediates effects of pollinator loss on seed production

2023EcosphereRole: pollinator

student_paper

Hot and Cold: Assessing the Thermal Limitations of Bumble Bees in a Changing Climate

2023Role: study subject

student_paper

In your stomach or in your nectar? Disentangling the effects of two pollination-related yeasts on bumblebee behavior and foraging

2023Role: study subject

thesis

The causes and consequences of pollen defence

2023Role: pollinator

thesis

The causes and consequences of pollen defence

2023Role: text_match

student_paper

Nest Distribution of Bombus spp. Across Different Habitat Types

2022Role: study subject

student_paper

Sweet and salty: Pollinators and sodium-enriched nectar

2022Role: pollinator

student_paper

The effects of environmental variation on daily abundance patterns and diet breadth of bumble bee species

2022Role: study subject

article

The shifting importance of abiotic and biotic factors across the life cycles of wild pollinators

2022Journal of Animal EcologyRole: study subject

student_paper

Within Day Temporal Variation Within Plant-Pollinator Networks

2022Role: pollinator

student_paper

Effects of climate change on the elevational distribution of bumble bees near Crested Butte, CO: comparing data across 47 years

2021Role: study subject

student_paper

Effects of nectar robbing on the volatile organic compounds and nectar chemistry of intraindividual flowers in Corydalis caseana ssp. brandegeei

2021Role: pollinator

student_paper

Investigating the relationship between Bombus appositus abundance and its overlap with key floral resources

2021Role: study subject

article

Nectar addition changes pollinator behavior but not plant reproduction in pollen rewarding Lupinus argenteus

2021American Journal of BotanyRole: pollinator

article

Unraveling the ecological and evolutionary impacts of a plant invader on the pollination of a native plant

2021Biological Invasions doi 10.1007/s10530-021-02457-zRole: pollinator

student_paper

Climate Change and Parasitism: An Investigation into Parasitic Bees' Climate Responses as Compared to their Hosts

2020Role: text_match

student_paper

Climate Change and Parasitism: An Investigation into Parasitic Bees' Climate Responses as Compared to their Hosts

2020Role: host

article

Competition for nectar resources does not affect bee foraging tactic constancy

2020Ecological EntomologyRole: competitor

article

Temporal flexibility in the structure of plant–pollinator interaction networks

2020OikosRole: text_match

student_paper

What are the bees' needs? Analyzing the diet breadth for three Rocky Mountain Bumble Bees

2020Role: study subject

thesis

Floral reward strategies, visitor behavior, and plant reproductive outcomes

2019Role: text_match

article

Foraging efficiency and size matching in a plant-pollinator communitiy: the importance of sugar content and tongue length

2019Ecology lettersRole: pollinator

thesis

Invasive plants and water availablity mediate outcomes of plant-pollinator interactions

2019Role: text_match

student_paper

Low to Mid Elevational Resurvey of Bumble bee Distributions in Response to Climate Change

2019Role: study subject

student_paper

Across Caste Variation of Proboscis Length and Within Caste Phenotype Matching of Subalpine Bumble Bees (Bombus spp.)

2018Role: study subject

article

Why are some plant-nectar robber interactions commensalisms?

2018OikosRole: pollinator

other

40 years of progress in pollination biology, and what it means for citizen scientists

2017Aquilegia: Newsletter of the Colorado Native Plant SocietyRole: text_match

student_paper

Do the differing pollen foraging strategies of Megachile sp. and Bombus spp. result in differing pollen removal and deposition rates in Lupinus bakeri?

2017Role: pollinator

student_paper

Does bumble bee (Bombus spp.) diet breadth vary with differences in floral resource abundance?

2017Role: study subject

article

Effects of road dust on the pollination and reproduction of wildflowers

2017International Journal of Plant SciencesRole: pollinator

article

Interannual bumble bee abundance is driven by indirect climate effects on floral resource phenology

2017Ecology LettersRole: study subject

article

Metabolism of toxic sugars by the bee gut symbiont Gilliamella apicola

2017mBioRole: text_match

thesis

Plant-Pollinator Interactions and Environmental Change: Effects of Experimental Changes in Phenology and Water Availability on a Montane Wildflower

2017Role: text_match

other

Pollinator traits and competitive context shape dynamic foraging behavior in bee communities

2017bioRxivRole: study subject

student_paper

Variability in the effectiveness of Penstemon strictus pollinators and the role that water availability plays

2017Role: pollinator

thesis

Competitive context drives pollinator behavior: linking foraging plasticity, natural pollen deposition, and plant reproduction.

2016Role: text_match

article

Delving deeper: Questioning the decline of long-tongued bumble bees, long-tubed flowers and their mutualisms with climate change

2016Journal of Pollination EcologyRole: study subject

student_paper

Do bees show response diversity to environmental variables in a montane ecosystem?

2016Role: study subject

article

Effects of climate change on phenologies and distributions of bumble bees and the plants they visit

2016EcosphereRole: study subject

article

Heterospecific pollen deposition in Delphinium barbeyi: linking stigmatic pollen loads to reproductive output in the field

2016Annals of BotanyRole: pollinator

student_paper

Does Bumble Bee Diet Breadth vary with the Floral Abundance in a Meadow?

2015Role: study subject

student_paper

Does snowmelt timing affect bumble bee colony abundance?

2015Role: study subject

student_paper

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

2015Role: pollinator (legitimate forager

student_paper

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

2015Role: text_match

article

Nectar Yeasts in the Tall Larkspur Delphinium barbeyi (Ranunculaceae) and Effects on Components of Pollinator Foraging Behavior

2014PloS oneRole: pollinator

article

Selection of trait combinations through bee and fly visitation to flowers of Polemonium foliosissimum

2014Journal of Evolutionary BiologyRole: pollinator

student_paper

Comparing Bombus pollinator efficacies in Delphinium barbeyi (Ranunculaceae) reproductive success

2013Role: pollinator

article

Dose-dependent effects of nectar alkaloids in a montane plant-pollinator community

2013Journal of EcologyRole: pollinator

student_paper

Nectar dwelling yeasts and their effects on pollinator preference

2013Role: pollinator

article

Local geographic distributions of bumble bees near Crested Butte, Colorado: Competition and community structure revisited

2012Environmental EntomologyRole: study subject / pollinator (lo

article

Local geographic distributions of bumble bees near Crested Butte, Colorado: Competition and community structure revisited

2012Environmental EntomologyRole: text_match

article

Activity and abundance of bumble bees near Crested Butte, CO: diel, seasonal, and elevation effects

2011Ecological EntomologyRole: study subject

article

Seasonal change in a pollinator community and the maintenance of style length variation in Mertensia fusiformis (Boraginaceae)

2011Annals of BotanyRole: pollinator

student_paper

The effects of phenology on Delphinium nuttallianum

2011Role: pollinator

student_paper

A study of correlational selection through floral manipulations of Polemonium foliosissimum (Polemoniaceae)

2010Role: pollinator

student_paper

Bumblebee foraging on vertical inflorescences: optimal or not?

2009Role: study subject

article

Effects of flowering plant density on pollinator visitation, pollen receipt, and seed production in Delphinium barbeyi

2009American Journal of BotanyRole: pollinator

article

Variation in the impact of climate change on flowering phenology and abundance: an examination of two pairs of closely related wildflower species

2009American Journal of BotanyRole: pollinator

student_paper

Climate Change is Causing A Decline in Bombus occidentalis by Reducing its Floral Resources

2008Role: indicator species

thesis

Reciprocal benefits in a plant-pollinator mutualism

2008Role: pollinator

thesis

Reciprocal benefits in a plant-pollinator mutualism

2008Role: text_match

student_paper

Rocky Mountain Bombus pathogen survey: Are invasive plants affecting pathogen prevalence and intensity?

2008Role: study subject

student_paper

Changing distributions, changing climate: Using Bombus as an indicator of global warming near Crested Butte, Colorado

2007Role: study subject

article

Predicting the effects of nectar robbing on plant reproduction: implications of pollen limitation and plant mating system

2007American Journal of BotanyRole: text_match

student_paper

Are native bees picky enough? The effect of an invasive plant, Linaria vulgaris, on the foraging of native bee pollinators

2006Role: study subject pollinator

article

Effects of nectar robbing on nectar dynamics and bumblebee foraging strategies in Linaria vulgaris

2005OikosRole: pollinator

article

Temporal and spatial variation in pollination of a montane herb: a seven-year study

2005EcologyRole: pollinator

thesis

The ecology of pollination and nectar robbing in Linaria vulgaris in the Colorado Rocky Mountains

2004TSpaceRole: pollinator

thesis

The ecology of pollination and nectar robbing in Linaria vulgaris in the Colorado Rocky Mountains

2004TSpaceRole: text_match

article

Rescue of stranded pollen grains by secondary transfer

2003Plant Species BiologyRole: pollinator

article

Predicting patterns of mating and potential hybridization from pollinator behavior

2002American NaturalistRole: text_match

article

Variation in nectar robbing over time, space, and species

2002OecologiaRole: pollinator

article

Volatile production by the buds and corollas of two sympatric, confamial plants, Ipomopsis aggregata and Polemonium foliosissimum

2002Journal of Chemical EcologyRole: pollinator

article

Experimental manipulation of plant density and its effect on pollination and reproduction of two confamilial montane herbs

2001OecologiaRole: pollinator

article

Exploring the "Most effective pollinator principal" with complex flowers: Bumblebees and Ipomopsis aggregata

2001Annals of BotanyRole: text_match

article

Pollinator-mediated selection on a flower color polymorphism in experimental populations of Antirrhinum (Scrophulariaceae)

2001American Journal of BotanyRole: text_match

article

The effects of a bumble bee nectar robber on plant reproductive success and pollinator behavior

2001American Journal of BotanyRole: text_match

article

The effects of a bumble bee nectar robber on plant reproductive success and pollinator behavior

2001American Journal of BotanyRole: pollinator

article

Reproductive biology of a North American subalpine plant: Corydalis caseana A. Gray ssp. brandegei (S. Watson) G. B. Ownbey

2000Plant Species BiologyRole: text_match

article

Effects of Local Density on Pollination and Reproduction in Delphinium nuttallianum and Aconitum columbianum (Ranunculaceae)

1999American Journal of BotanyRole: pollinator

article

Effects of Local Density on Pollination and Reproduction in Delphinium nuttallianum and Aconitum columbianum (Ranunculaceae)

1999American Journal of BotanyRole: text_match

article

Analysis of pollinator foraging: tests for non-random behavior

1997Functional EcologyRole: pollinator

article

Analysis of pollinator foraging: tests for non-random behavior

1997Functional EcologyRole: text_match

student_paper

Specialization and foraging ergonomics in a subalpine bumblebee Bombus appositus (Hymenoptera: Apidae)

1997Role: text_match

article

Generalization in pollination systems, and why it matters

1996EcologyRole: text_match

article

Spatial genetic heterogeneity in a population of the montane perennial plant Delphinium nelsonii

1987HeredityRole: pollinator

article

Bumblebee foraging at a "hummingbird" flower: reward economics and floral choice

1985American Midland NaturalistRole: text_match

article

The effect of nectar guides on pollinator preference: experimental studies with a montane herb

1985OecologiaRole: pollinator / study subject

article

The pollination ecology of Aquilegia micrantha (Ranunculaceae) in Colorado

1983Southwestern NaturalistRole: text_match

article

Foraging in bumblebees: rule of departure from an inflorescence

1982Canadian Journal of ZoologyRole: study subject / pollinator / n

article

Local geographic distributions of bumblebees near Crested Butte, Colorado: competition and community structure

1982EcologyRole: study subject

article

Bumblebee response to variation in nectar availability

1981EcologyRole: pollinator

article

Optimal foraging in bumblebees: hunting by expectation

1981Animal BehaviourRole: study subject / pollinator (fo

article

Optimal foraging in bumblebees: hunting by expectation

1981Animal BehaviourRole: text_match

article

Optimal foraging in bumblebees: why is nectar left behind in flowers?

1981Behavioral EcologyRole: text_match

article

Pollinator choice and stabilizing selection for flower color in Delphinium nelsonii

1981EvolutionRole: pollinator

article

Competition for bumblebee pollinators in Rocky Mountain plant communities

1980EcologyRole: pollinator

article

The effect of proboscis and corolla tube lengths on patterns and rates of flower visitation by bumblebees

1980OecologiaRole: study subject / pollinator

article

Optimal foraging in bumblebees: rule of movement between flowers within inflorescences

1979Animal BehaviourRole: study subject / pollinator

article

Patchiness in the dispersion of nectar resources: evidence for hot and cold spots

1979OecologiaRole: pollinator

article

Pollen dispersal and optimal outcrossing in Delphinium nelsoni

1979NatureRole: pollinator

article

Competition for hummingbird pollination and sequential flowering in two Colorado wildflowers

1978EcologyRole: pollinator

article

Optimal foraging in bumblebees and coevolution with their plants

1978OecologiaRole: pollinator / study subject

article

Optimal foraging: movement patterns of bumblebees between inflorescences

1978Theoretical Population BiologyRole: study subject / pollinator (ne

article

Resource partitioning in bumblebees: experimental studies of foraging behavior

1978EcologyRole: text_match

article

Resource partitioning in bumblebees: experimental studies of foraging behavior

1978EcologyRole: study subject / pollinator (lo

Bombus appositus

Local Knowledge Graph (Top 74 entities)

Publications (124)

Documenting Activity Levels of Discovered Seasonal Native Bombus Nests

The Popular Patch: Co-foraging behavior of Bombus spp. in a subalpine meadow

Understanding Impact of Bombus spp. Intraspeciﬁc Body Mass Variation on Foraging Behavior on Delphinium barbeyi

Dimensions of difference: Multi-scale consequences of trait variation in bumble bees

Herbivory and water availability interact to shape the adaptive landscape in the perennial forb, Boechera stricta

Improving plant DNA metabarcoding accuracy with ecological filters and Angiosperms353: Field and pollen microscopy validation

Nutrient niche dynamics among wild pollinators

Testing the marginal value theorem on Bombus appositus and Bombus nevadensis

Co-occurring Species

Bombus

Bombus flavifrons

Bombus bifarius

Delphinium

Bombus occidentalis

Hymenoptera

Delphinium barbeyi

Ipomopsis aggregata

Bombus nevadensis

Apis mellifera

Wild foundress queen bumble bees make numerous, short foraging trips and exhibit frequent nest failure: Insights from trap-nesting and RFID tracking

Effects of Temperature and Competitor Abundance on Bumble Bee Foraging

Estimating Local Abundance of Bombus Queens in Meadows of Rocky Mountains, Colorado, USA

How do Bombus appositus and Bombus bifarius worker tongue lengths vary within a season?

Intraspecific body size variation across distributional moments reveals trait filtering processes

Investigating the potential mechanism behind bumble bee preference for Corydalis flowers inhabited by nectar specialist yeast

Nowhere to go but Up: Investigating Bumble Bee population Shifts over Elevational Gradients

Pollination Syndrome variance among foraging bumblebee species in Gothic Colorado

The hole truth: why do bumble bees rob flowers more than once?

Characterization of thermal tolerance in sub-alpine bumblebee species

Community context mediates effects of pollinator loss on seed production

Hot and Cold: Assessing the Thermal Limitations of Bumble Bees in a Changing Climate

In your stomach or in your nectar? Disentangling the effects of two pollination-related yeasts on bumblebee behavior and foraging

The causes and consequences of pollen defence

The causes and consequences of pollen defence

Nest Distribution of <i> Bombus </i> spp. Across Different Habitat Types

Sweet and salty: Pollinators and sodium-enriched nectar

The effects of environmental variation on daily abundance patterns and diet breadth of bumble bee species

The shifting importance of abiotic and biotic factors across the life cycles of wild pollinators

Within Day Temporal Variation Within Plant-Pollinator Networks

Effects of climate change on the elevational distribution of bumble bees near Crested Butte, CO: comparing data across 47 years

Effects of nectar robbing on the volatile organic compounds and nectar chemistry of intraindividual flowers in <i> Corydalis caseana </i> ssp. <i> brandegeei </i>

Investigating the relationship between <i> Bombus appositus </i> abundance and its overlap with key floral resources

Nectar addition changes pollinator behavior but not plant reproduction in pollen rewarding <i> Lupinus argenteus</i>

Unraveling the ecological and evolutionary impacts of a plant invader on the pollination of a native plant

Climate Change and Parasitism: An Investigation into Parasitic Bees' Climate Responses as Compared to their Hosts

Climate Change and Parasitism: An Investigation into Parasitic Bees' Climate Responses as Compared to their Hosts

Competition for nectar resources does not affect bee foraging tactic constancy

Temporal flexibility in the structure of plant–pollinator interaction networks

What are the bees' needs? Analyzing the diet breadth for three Rocky Mountain Bumble Bees

Floral reward strategies, visitor behavior, and plant reproductive outcomes

Foraging efficiency and size matching in a plant-pollinator communitiy: the importance of sugar content and tongue length

Invasive plants and water availablity mediate outcomes of plant-pollinator interactions

Low to Mid Elevational Resurvey of Bumble bee Distributions in Response to Climate Change

Across Caste Variation of Proboscis Length and Within Caste Phenotype Matching of Subalpine Bumble Bees (<i>Bombus spp.</i>)

Why are some plant-nectar robber interactions commensalisms?

40 years of progress in pollination biology, and what it means for citizen scientists

Do the differing pollen foraging strategies of <i>Megachile sp.</i> and <i>Bombus spp.</i> result in differing pollen removal and deposition rates in <i>Lupinus bakeri</i>?

Does bumble bee (<i>Bombus spp.</i>) diet breadth vary with differences in floral resource abundance?

Effects of road dust on the pollination and reproduction of wildflowers

Interannual bumble bee abundance is driven by indirect climate effects on floral resource phenology

Metabolism of toxic sugars by the bee gut symbiont <i>Gilliamella apicola</i>

Plant-Pollinator Interactions and Environmental Change: Effects of Experimental Changes in Phenology and Water Availability on a Montane Wildflower

Pollinator traits and competitive context shape dynamic foraging behavior in bee communities

Variability in the effectiveness of <i>Penstemon strictus</i> pollinators and the role that water availability plays

Competitive context drives pollinator behavior: linking foraging plasticity, natural pollen deposition, and plant reproduction.

Delving deeper: Questioning the decline of long-tongued bumble bees, long-tubed flowers and their mutualisms with climate change

Do bees show response diversity to environmental variables in a montane ecosystem?

Effects of climate change on phenologies and distributions of bumble bees and the plants they visit

Heterospecific pollen deposition in <i>Delphinium barbeyi</i>: linking stigmatic pollen loads to reproductive output in the field

Does Bumble Bee Diet Breadth vary with the Floral Abundance in a Meadow?

Does snowmelt timing affect bumble bee colony abundance?

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

Nectar Yeasts in the Tall Larkspur <i>Delphinium barbeyi</i> (Ranunculaceae) and Effects on Components of Pollinator Foraging Behavior

Selection of trait combinations through bee and fly visitation to flowers of <i>Polemonium foliosissimum</i>

Comparing <i>Bombus</i> pollinator efficacies in <i>Delphinium barbeyi</i> (Ranunculaceae) reproductive success

Dose-dependent effects of nectar alkaloids in a montane plant-pollinator community